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Solution Stoichiometry Solutions Library

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250 solutions

Solution Stoichiometry

Q. A sample of a new cleaning product, "Joe's Famous Bleach Cleaner," with a mass of 44.0g , was diluted with an acetic acid solution containing exces...

Solved • Mar 30, 2020

Solution Stoichiometry

Q. Hydrochloric acid HCl reacts with sodium carbonate Na2CO3, forming sodium chloride NaCl, water H2O, and carbon dioxide CO2. This equation is balanc...

Solved • Mar 20, 2020

Solution Stoichiometry

Q. Hydrochloric acid HCl reacts with sodium carbonate Na2CO3, forming sodium chloride NaCl, water H2O, and carbon dioxide CO2. This equation is balanc...

Solved • Mar 20, 2020

Solution Stoichiometry

Q. One of the uses of oxalic acid (H2C2O4) is rust removal. It reacts with rust (Fe2O3) according to the equationFe2O3(aq) + 6 H3C2O4(aq) → 2 H3Fe2(C2...

Solved • Nov 28, 2019

Solution Stoichiometry

Q. What is the concentration of chloride ions when 10.0 grams of iron(III) chloride (formula mass = 162.2 g/mol) is dissolved in water to form 0.100 L...

Solved • Nov 28, 2019

Solution Stoichiometry

Q. How many milliliters of 0.260 M Na2S are needed to completely react with 25.00 mL of 0.315 M AgNO3?Na2S(aq) + 2 AgNO3(aq) → 2 NaNO3(aq) + Ag2S(s) A...

Solved • Oct 25, 2019

Solution Stoichiometry

Q. How many mL of 0.750 M HCl is needed to neutralize 1.50 g of Ca(OH)2a. 0.0270 mL b. 53.99 mL c. 34.19 mL d. 126.2 mL e. 26.99 mL

Solved • Oct 3, 2019

Solution Stoichiometry

Q. What mass (g) of AgBr is formed when 35.5 mL of 0.184 M AgNO3 is treated with an excess of aqueous hydrobromic acid?A) 1.44B) 1.23C) 53.6D) 34.5E) 188

Solved • Sep 24, 2019

Solution Stoichiometry

Q. How many milliliters of 0.10M H2SO4 are required to neutralize 50.mL of 0.10M NaOH?a)  25.mL                 b) 10.mL              c)  2.5mL       ...

Solved • Sep 15, 2019

Solution Stoichiometry

Q. Silver ions can be precipitated from aqueous solutions by the addition of aqueous chloride per the following net ionic equation:                 Ag...

Solved • Sep 13, 2019

Solution Stoichiometry

Q. Consider the precipitation reaction that occurs between Pb(NO 3)2(aq) and KI(aq). When these two solutions are combined, bright yellow PbI2(s) prec...

Solved • Aug 25, 2019

Solution Stoichiometry

Q. Hydrochloric acid HCl reacts with sodium carbonate Na 2CO3, forming sodium chloride NaCl, water H2O, and carbon dioxide CO2. This equation is balan...

Solved • Aug 14, 2019

Solution Stoichiometry

Q. Hydrochloric acid HCl reacts with sodium carbonate Na 2CO3, forming sodium chloride NaCl, water H2O, and carbon dioxide CO2. This equation is balan...

Solved • Aug 5, 2019

Solution Stoichiometry

Q. The concentration of iodide ions in a 0.193 M solution of barium iodide is __________.a. 0.193 Mb. 0.386 Mc. 0.0965 Md. 0.579 Me. 0.0643 M

Solved • Aug 2, 2019

Solution Stoichiometry

Q. GIven the balanced equation: CaCO3 (s) + 2HCl (aq) → CaCl 2 (aq) + H2O (l) + CO 2 (g) Select all statements that correctly describe how to calculat...

Solved • Jul 9, 2019

Solution Stoichiometry

Q. Fully balanced equation: AgNO3 + NaCl → AgCl + NaNO 3Net ionic equation: Ag+ + Cl - → AgClVolume of (.0100 M) AgNO3 to titrate bay water samples:Ma...

Solved • Jul 9, 2019

Solution Stoichiometry

Q. Copper metal dissolves in a silver nitrate solution. The balanced equation for the reaction is:Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s).A. Starti...

Solved • Jul 9, 2019

Solution Stoichiometry

Q. Sulfuric acid is a strong acid and dissociates in water as shown in equation 4. H2SO4 (aq) = 2H+ (aq) + SO42- (aq)  (equation 4) What is the hydrog...

Solved • Jul 9, 2019

Solution Stoichiometry

Q. Sodium oxalate, Na2C2O4, in solution is oxidized to CO2(g) by MnO4– which is reduced to Mn2+. A 50.2-mL volume of a solution of MnO4– is required t...

Solved • Jan 3, 2019

Solution Stoichiometry

Q. Consider the unbalanced redox reaction: MnO4–(aq) + Zn(s) → Mn2+(aq) + Zn2+(aq)Determine the volume of a 0.325 M KMnO4 solution required to complet...

Solved • Jan 3, 2019

Solution Stoichiometry

Q. The "free-base" form of cocaine (C17H21NO4) and its protonated hydrochloride form (C17H22ClNO4) are shown below; the free-base form can be converte...

Solved • Dec 3, 2018

Solution Stoichiometry

Q. Describe how you would prepare each of the following aqueous solutions, starting with solid KBr.a 0.160 M solution of KBr that contains just enough...

Solved • Dec 3, 2018

Solution Stoichiometry

Q. Ascorbic acid (vitamin C, C6H8O6) is a water-soluble vitamin. A solution containing 81.5 g of ascorbic acid dissolved in 220 g of water has a densi...

Solved • Dec 3, 2018

Solution Stoichiometry

Q. Calculate the mass percentage of Na2 SO4 in a solution containing 10.6 g Na2 SO4 in 485 g water.

Solved • Dec 3, 2018

Solution Stoichiometry

Q. How many milligrams of sodium sulfide are needed to completely react with 25.00 mL of a 0.0100 M aqueous solution of cadmium nitrate, to form a pre...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. You want to analyze a silver nitrate solution.You could add HCl(aq) to the solution to precipitate out AgCl(s). What volume of a 0.160 M HCl(aq) so...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. You want to analyze a silver nitrate solution.You could add solid KCl to the solution to precipitate out AgCl(s). What mass of KCl is needed to pre...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. You want to analyze a silver nitrate solution.You could add solid KCl to the solution to precipitate out AgCl(s). What mass of KCl is needed to pre...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Consider two solutions, the first being 50.0 mL of 1.00 M CuSO4 and the second 50.0 mL of 2.00 M KOH. When the two solutions are mixed in a constan...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. If 23.9 mL of the strontium hydroxide solution (1.47 M)  was needed to neutralize a 31.5 mL aliquot of the nitric acid solution, what is the concen...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Tartaric acid, H2C4H4O6, has two acidic hydrogens. The acid is often present in wines and precipitates from solution as the wine ages. A solution c...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. A sample of 5.55 g of Mg(OH)2 is added to 25.2 mL of 0.180 M HNO3.How many moles of Mg(NO3)2 are present after the reaction is complete?

Solved • Oct 31, 2018

Solution Stoichiometry

Q. A solution is made by mixing 15.0 g of Sr(OH)2 and 60.0 mL of 0.210 M HNO3.Calculate the concentration of Sr2+ ion remaining in solution.

Solved • Oct 31, 2018

Solution Stoichiometry

Q. If 56.2 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 752 mg sample of Na2SO4, what is the molarity of the solution?

Solved • Oct 31, 2018

Solution Stoichiometry

Q. A solution of 116 mL of 0.180 M KOH is mixed with a solution of 260 mL of 0.210 M NiSO4.What is the limiting reactant?

Solved • Oct 31, 2018

Solution Stoichiometry

Q. What volume of 0.132 M HCl is needed to neutralize 2.76 g of Mg(OH)2?

Solved • Oct 31, 2018

Solution Stoichiometry

Q. If 45.6 mL of 0.112 M HCl solution is needed to neutralize a solution of KOH, how many grams of KOH must be present in the solution?

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Consider the reaction:2A(aq) + B(aq) → C(aq)What is the limiting reactant if you mix equal volumes of a 6 M solution of A and a 6 M solution of B?

Solved • Oct 31, 2018

Solution Stoichiometry

Q. An acid solution is 0.120 M in HCl and 0.210 M in H2 SO4.What volume of a 0.160 M solution of KOH must be added to 550.0 mL of the acidic solution ...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Hard water often contains dissolved Ca2 +  and Mg2 +  ions. One way to soften water is to add phosphates. The phosphate ion forms insoluble precipi...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Potassium iodide reacts with lead(II) nitrate in the following precipitation reaction:2 KI(aq) + Pb(NO3)2(aq) → 2 KNO3(aq) + PbI2(s)What minimum vo...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Lakes that have been acidified by acid rain (HNO3 and H2SO4) can be neutralized by a process called liming, in which limestone (CaCO3 ) is added to...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Find the mass of barium metal (in grams) that must react with O2 to produce enough barium oxide to prepare 1.3 L of a 0.13 M solution of OH–.

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Find the volume of 0.120 M hydrochloric acid necessary to react completely with 1.53 g Al(OH)3.

Solved • Oct 31, 2018

Solution Stoichiometry

Q. What is the minimum amount of 6.1 M H2SO4 necessary to produce 25.1 g of H2(g) according to the following reaction? 2 Al(s) + 3 H2SO4(aq) → Al2(SO4...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Consider the following precipitation reaction: 2 Na3PO4(aq) + 3 CuCl2(aq) → Cu3(PO4)2(s) + 6 NaCl(aq) ;{ m{Cu}}_3 ({ m{PO}}_4 )_2 (s); + ;6;{ m{NaC...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Consider the following reaction: Li2S(aq) + Co(NO3)2(aq) → 2 LiNO3(aq) + CoS(s)What volume of 0.160 M Li2S solution is required to completely react...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. You want to analyze a silver nitrate solution. Part A You could add HCl(aq) to the solution to precipitate out AgCI(s). What volume of a 0.180 M HC...

Solved • Oct 24, 2018

Solution Stoichiometry

Q. Enter your answer in the provided box. How many grams of solid barium sulfate form when 41.0 mL of 0.160 M barium chloride reacts with 70.0 mL of 0...

Solved • Oct 24, 2018

Solution Stoichiometry

Q. What mass of oxygen is needed to react with 3.69 gal of methanol according to the balanced equation below? (1.00 gal = 3.79 L, and the density of m...

Solved • Oct 23, 2018

Solution Stoichiometry

Q. The reaction of  WCl6 with Al at ~400 °C gives black crystals of a compound containing only tungsten and chlorine. A sample of this compound, when ...

Solved • Oct 19, 2018

Solution Stoichiometry

Q. How many milliliters of a 0.1500-M solution of KOH will be required to titrate 40.00 mL of a 0.0656-M solution of H3PO4?H3PO4(aq) + 2KOH(aq) ⟶ K2HP...

Solved • Oct 19, 2018

Solution Stoichiometry

Q. A sample of solid calcium hydroxide, Ca(OH)2, is allowed to stand in water until a saturated solution is formed. A titration of 75.00 mL of this so...

Solved • Oct 19, 2018

Solution Stoichiometry

Q. What volume of a 0.00945-M solution of potassium hydroxide would be required to titrate 50.00 mL of a sample of acid rain with a H2SO4 concentratio...

Solved • Oct 19, 2018

Solution Stoichiometry

Q. What volume of 0.08892 M HNO3 is required to react completely with 0.2352 g of potassium hydrogen phosphate?2HNO3(aq) + K2HPO4(aq) ⟶ H2PO4(aq) + 2K...

Solved • Oct 19, 2018

Solution Stoichiometry

Q. Potatoes can be peeled commercially by soaking them in a 3-M to 6-M solution of sodium hydroxide, then removing the loosened skins by spraying them...

Solved • Oct 19, 2018

Solution Stoichiometry

Q. In a common medical laboratory determination of the concentration of free chloride ion in blood serum, a serum sample is titrated with a Hg(NO3)2 s...

Solved • Oct 19, 2018

Solution Stoichiometry

Q. What is the concentration of NaCl in a solution if titration of 15.00 mL of the solution with 0.2503 M AgNO3 requires 20.22 mL of the AgNO3 solutio...

Solved • Oct 19, 2018

Solution Stoichiometry

Q. Titration of a 20.0-mL sample of acid rain required 1.7 mL of 0.0811 M NaOH to reach the end point. If we assume that the acidity of the rain is du...

Solved • Oct 19, 2018

Solution Stoichiometry

Q. What volume of 0.0105 M HBr solution is required to titrate 125 mL of a 0.0100 M Ca(OH)2 solution?Ca(OH)2(aq) + 2HBr(aq) ⟶ CaBr2(aq) + 2H2O(l)

Solved • Oct 19, 2018

Solution Stoichiometry

Q. A mordant is a substance that combines with a dye to produce a stable fixed color in a dyed fabric. Calcium acetate is used as a mordant. It is pre...

Solved • Oct 18, 2018

Solution Stoichiometry

Q. What volume of a 0.2089 M KI solution contains enough KI to react exactly with the Cu(NO3)2 in 43.88 mL of a 0.3842 M solution of Cu(NO 3)2? 2Cu(NO...

Solved • Oct 18, 2018

Solution Stoichiometry

Q. What volume of 0.750 M hydrochloric acid solution can be prepared from the HCl produced by the reaction of 25.0 g of NaCl with excess sulfuric acid...

Solved • Oct 18, 2018

Solution Stoichiometry

Q. Gallium chloride is formed by the reaction of 2.6 L of a 1.44 M solution of HCl according to the following equation: 2Ga + 6HCl ⟶  2GaCl3 + 3H2.(b)...

Solved • Oct 18, 2018

Solution Stoichiometry

Q. Gallium chloride is formed by the reaction of 2.6 L of a 1.44 M solution of HCl according to the following equation: 2Ga + 6HCl ⟶  2GaCl3 + 3H2.(a)...

Solved • Oct 18, 2018

Solution Stoichiometry

Q. H2 is produced by the reaction of 118.5 mL of a 0.8775-M solution of H 3PO4 according to the following equation: 2Cr + 2H3PO4 ⟶ 3H2 + 2CrPO4.(b) Pe...

Solved • Oct 18, 2018

Solution Stoichiometry

Q. H2 is produced by the reaction of 118.5 mL of a 0.8775-M solution of H3PO4 according to the following equation: 2Cr + 2H3PO4 ⟶ 3H2 + 2CrPO4.(a) Out...

Solved • Oct 18, 2018

Solution Stoichiometry

Q. When organic compounds containing sulfur are burned, sulfur dioxide is produced. The amount of SO2 formed can be determined by the reaction with hy...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. A 50.00-mL sample of aqueous Ca(OH) 2 requires 34.66 mL of a 0.944-M nitric acid for neutralization. Calculate the concentration (molarity) of the ...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. A 450.0-mL sample of a 0.257-M solution of silver nitrate is mixed with 400.0 mL of 0.200 M calcium chloride. What is the concentration of Cl- in s...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. What volume of 0.100 M NaOH is required to precipitate all of the nickel(II) ions from 150.0 mL of a 0.249-M solution of Ni(NO3)2?

Solved • Oct 17, 2018

Solution Stoichiometry

Q. Chlorisondamine chloride (C14H20Cl6N2) is a drug used in the treatment of hypertension. A 1.28-g sample of a medication containing the drug was tre...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. A 2.20-g sample of an unknown acid (empirical formula = C 3H4O3) is dissolved in 1.0 L of water. A titration required 25.0 mL of 0.500 M NaOH to re...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. A student added 50.0 mL of an NaOH solution to 100.0 mL of 0.400 M HCl. The solution was then treated with an excess of aqueous chromium(III) nitra...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. The thallium (present as Tl 2SO4) in a 9.486-g pesticide sample was precipitated as thallium(I) iodide. Calculate the mass percent of Tl 2SO4 in th...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. Consider a 1.50-g mixture of magnesium nitrate and magnesium chloride. After dissolving this mixture in water, 0.500 M silver nitrate is added drop...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. A student titrates an unknown amount of potassium hydrogen phthalate (KHC 8H4O4, often abbreviated KHP) with 20.46 mL of a 0.1000-M NaOH solution. ...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. What volume of 0.0200 M calcium hydroxide is required to neutralize 35.00 mL of 0.0500 M nitric acid?

Solved • Oct 17, 2018

Solution Stoichiometry

Q. The drawings below represent aqueous solutions. Solution A is 2.00 L of a 2.00-M aqueous solution of copper(II) nitrate. Solution B is 2.00 L of a ...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. A 100.0-mL aliquot of 0.200 M aqueous potassium hydroxide is mixed with 100.0 mL of 0.200 M aqueous magnesium nitrate. What mass of precipitate is ...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. What mass of silver chloride can be prepared by the reaction of 100.0 mL of 0.20 M silver nitrate with 100.0 mL of 0.15 M calcium chloride? Calcula...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. What mass of barium sulfate can be produced when 100.0 mL of a 0.100-M solution of barium chloride is mixed with 100.0 mL of a 0.100-M solution of ...

Solved • Oct 17, 2018

Solution Stoichiometry

Q. Cocaine (C17H21O4N) is a natural substance found in coca leaves, which have been used for centuries as a local anesthetic and stimulant. Illegal co...

Solved • Oct 16, 2018

Solution Stoichiometry

Q. On a lab exam, you have to find the concentrations of the monoprotic (one proton per molecule) acids HA and HB. You are given 43.5 mL of HA solutio...

Solved • Oct 15, 2018

Solution Stoichiometry

Q. The flask represents the products of the titration of 25 mL of sulfuric acid with 25 mL of sodium hydroxide.If each orange sphere represents 0.010 ...

Solved • Oct 15, 2018

Solution Stoichiometry

Q. Mixtures of CaCl2 and NaCl are used to melt ice on roads. A dissolved 1.9348-g sample of such a mixture was analyzed by using excess Na2C2O4 to pre...

Solved • Oct 15, 2018

Solution Stoichiometry

Q. Before arc welding was developed, a displacement reaction involving aluminum and iron(III) oxide was commonly used to produce molten iron. Called t...

Solved • Oct 15, 2018

Solution Stoichiometry

Q. A mixture of KClO3 and KCl with a mass of 0.950 g was heated to produce O2. After heating, the mass of residue was 0.700 g. Assuming all the KClO3 ...

Solved • Oct 15, 2018

Solution Stoichiometry

Q. A person’s blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with a potassium dichromate solution. The balanced ...

Solved • Oct 13, 2018

Solution Stoichiometry

Q. The active agent in many hair bleaches is hydrogen peroxide. The amount of H2O2 in 14.8 g of hair bleach was determined by titration with a standar...

Solved • Oct 13, 2018

Solution Stoichiometry

Q. A mixture of bases can sometimes be the active ingredient in antacid tablets. If 0.4826 g of a mixture of Al(OH)3 and Mg(OH)2 is neutralized with 1...

Solved • Oct 12, 2018

Solution Stoichiometry

Q. An unknown amount of acid can often be determined by adding an excess of base and then “back-titrating” the excess. A 0.3471-g sample of a mixture ...

Solved • Oct 12, 2018

Solution Stoichiometry

Q. Sodium hydroxide is used extensively in acid-base titrations because it is a strong, inexpensive base. A sodium hydroxide solution was standardized...

Solved • Oct 12, 2018

Solution Stoichiometry

Q. An auto mechanic spills 88 mL of 2.6 M H2SO4 solution from an auto battery. How many milliliters of 1.6 M NaHCO3 must be poured on the spill to rea...

Solved • Oct 12, 2018

Solution Stoichiometry

Q. If 26.25 mL of 0.1850 M NaOH solution reacts with 25.00 mL of H2SO4, what is the molarity of the acid solution?

Solved • Oct 12, 2018

Solution Stoichiometry

Q. If 25.98 mL of 0.1180 M KOH solution reacts with 52.50 mL of CH 3COOH solution, what is the molarity of the acid solution?

Solved • Oct 12, 2018

Solution Stoichiometry

Q. How many grams of NaH2PO4 are needed to react with 43.74 mL of 0.285 M NaOH?NaH2PO4(s) + 2 NaOH(aq)⟶ Na3PO4(aq) + 2 H2O(l)

Solved • Oct 12, 2018

Solution Stoichiometry

Q. How many milliliters of 0.383 M HCl are needed to react with 16.2 g of CaCO3?2 HCl(aq) + CaCO3(s) ⟶ CaCl2(aq) + CO2(g) + H2O(l)

Solved • Oct 12, 2018

Solution Stoichiometry

Q. Aluminum sulfate, known as cake alum, has a wide range of uses, from dyeing leather and cloth to purifying sewage. In aqueous solution, it reacts w...

Solved • Oct 12, 2018

Solution Stoichiometry

Q. The mass percent of Cl− in a seawater sample is determined by titrating 25.00 mL of seawater with AgNO3 solution, causing a precipitation reaction....

Solved • Oct 12, 2018