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Solution Stoichiometry Solutions Library

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316 solutions

Solution Stoichiometry

Q. A mass of 0.4276 g of ore was dissolved in I−(aq). The resulting solution required 17.98 mL of 0.01043 M Na2S2O3 for complete titration. What is th...

Solved • Jul 2, 2020

Solution Stoichiometry

Q. If the sample of chips used to make the filtrate weighed 89.5 g, how much NaCl is present in one serving (145 g) of chips?An example of a precipita...

Solved • Jul 2, 2020

Solution Stoichiometry

Q. Sodium carbonate (Na2CO3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 4.03×10...

Solved • Jul 2, 2020

Solution Stoichiometry

Q. If 18.6 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia...

Solved • Jul 2, 2020

Solution Stoichiometry

Q. Redox titrations are used to determine the amounts of oxidizing and reducing agents in solution. For example, a solution of hydrogen peroxide, H2O2...

Solved • Jul 2, 2020

Solution Stoichiometry

Q. A volume of 90.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity o...

Solved • Jul 2, 2020

Solution Stoichiometry

Q. A 25.00-mL sample of H2SO4(aq) requires 22.65 mL of the 0.5510 M NaOH for its titration. Assuming that sulfuric acid behaves as a strong acid with ...

Solved • Jul 2, 2020

Solution Stoichiometry

Q. What is the percentage composition by mass of NaClO in the bleach product?Express your answer to three significant figures and include the appropri...

Solved • Jul 1, 2020

Solution Stoichiometry

Q. A 0.100 M solution of K2SO4 would contain the same total ion concentration as which of the following solutions?When a compound is dissolved in wate...

Solved • Jul 1, 2020

Solution Stoichiometry

Q. What is the concentration of K+ ions in a 0.045 M K2CO3 solution assuming complete dissociation?When a compound is dissolved in water, the resultin...

Solved • Jul 1, 2020

Solution Stoichiometry

Q. A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to ...

Solved • Jul 1, 2020

Solution Stoichiometry

Q. What is the concentration of K+ in 0.15 M of K2S?  Express your answer to one decimal place and include the appropriate units.Ion concentration ref...

Solved • Jul 1, 2020

Solution Stoichiometry

Q. The reaction described in Part A required 3.65 L of magnesium chloride. What is the concentration of this magnesium chloride solution?  Express you...

Solved • Jul 1, 2020

Solution Stoichiometry

Q. What mass of silver chloride can be produced from 1.70 L of a 0.245 M solution of silver nitrate?  Express your answer with the appropriate units. ...

Solved • Jul 1, 2020

Solution Stoichiometry

Q. The titration of 25.0 mL of an iron(II) solution required 18.0 mL of a 0.200 M solution of dichromate to reach the equivalence point. What is the m...

Solved • Jun 30, 2020

Solution Stoichiometry

Q. Which of the schematic drawings best describes a solution of Li2SO4 in water (water molecules not shown for simplicity)? 

Solved • Jun 30, 2020

Solution Stoichiometry

Q. Calculate the molarity of hypochlorite ion in a commercial bleach solution. It contains 5.25% sodium hypochlorite by mass and the density of the so...

Solved • Jun 16, 2020

Solution Stoichiometry

Q. How many moles of Na+ are present in 343 mL of 1.27 mol solution of Na2SO4.

Solved • Jun 15, 2020

Solution Stoichiometry

Q. Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have used KHP in this experiment. In such a standardiz...

Solved • Jun 15, 2020

Solution Stoichiometry

Q. A solution of malonic acid, H2C3H2O4, was standardized by titration with 0.100 M NaOH solution. If 21.82 mL of the NaOH solution were required to n...

Solved • Jun 15, 2020

Solution Stoichiometry

Q. The amount of I3-(aq) in a solution can be determined by titration with a solution containing a known concentration of S2O32-(aq) (thiosulfate ion)...

Solved • Apr 29, 2020

Solution Stoichiometry

Q. Write the balanced neutralization reaction between H2SO4(sulfuric acid) and KOH (potassium hydroxide) in aqueous solution.Along with that question,...

Solved • Apr 28, 2020

Solution Stoichiometry

Q. A solution of HNO3 is standardized by reaction with pure sodium carbonate.2H+ + Na2CO3 → 2Na+ + H2O + CO2 A volume of 25.36  0.06mL of HNO3 solutio...

Solved • Apr 28, 2020

Solution Stoichiometry

Q. What is the molar concentration of sodium ions in a 0.350 M Na3PO4 solution?A. 0.117MB. 0.350MC. 1.05MD. 1.40M

Solved • Apr 27, 2020

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 moles of hydrogen gas would be produced for every mole of magnesium added into the HCl solution?Reaction of magnesium metal with hydrochlo...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Gold is isolated from rocks by reaction with aqueous cyanide, CN-: 4 Au(s) + 8 NaCN(aq) + O2(g) + H2O(l)  →  4 Na[Au(CN)2](aq) + 4 NaOH(aq)How many...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. You may want to reference (Pages 145 - 148) Section 4.5 while completing this problem.The commercial production of nitric acid involves the followi...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Hard water contains Ca2+, Mg2+, and Fe2+, which interfere with the action of soap and leave an insoluble coating on the insides of containers and p...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. A 36.0 mL sample of 1.30 M KBr and a 61.0 mL sample of 0.610 M KBr are mixed. The solution is then heated to evaporate water until the total volume...

Solved • Oct 31, 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. What is the molarity of an HCl solution if 27.3 mL of it neutralizes 134.5 mL of 0.0165 M Ba(OH)2?

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. The newest US standard for arsenate in drinking water, mandated by the Safe Drinking Water Act, requires that by January, 2006, public water suppli...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Federal regulations set an upper limit of 50 parts per million (ppm) of NH3 in the air in a work environment [that is, 50 molecules of NH3(g) for e...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Federal regulations set an upper limit of 50 parts per million (ppm) of NH3 in the air in a work environment [that is, 50 molecules of NH3(g) for e...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Federal regulations set an upper limit of 50 parts per million (ppm) of NH3 in the air in a work environment [that is, 50 molecules of NH3(g) for e...

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. Suppose you have 5.05 g of powdered magnesium metal, 1.05 L of 2.00 M  potassium nitrate solution, and 1.05 L of 2.00 M  silver nitrate solution.Wh...

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.Which is the limiting reactant in the reaction?

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(OH)2 are present after the reaction is complete?

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 HNO3 are present after the reaction is complete?

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. The mass percentage of chloride ion in a 26.00 mL sample of seawater was determined by titrating the sample with silver nitrate, precipitating silv...

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.You may want to reference (Pages 149 - 153) Section 4.6 while completing...

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. 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 NO3- ion remaining in solution.

Solved • Oct 31, 2018

Solution Stoichiometry

Q. An 8.65-g sample of an unknown group 2A metal hydroxide is dissolved in 85.0 mL of water. An acid-base indicator is added and the resulting solutio...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. How many milliliters of 0.126 M H2SO4 are needed to neutralize 0.210 g of NaOH?

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. If 42.6 mL of 0.212  M  HCl solution is needed to neutralize a solution of Ca(OH)2, how many grams of Ca(OH)2 must be in the solution?

Solved • Oct 31, 2018

Solution Stoichiometry

Q. Some sulfuric acid is spilled on a lab bench. You can neutralize the acid by sprinkling sodium bicarbonate on it and then mopping up the resultant ...

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. A solution of 116 mL of 0.180 M KOH is mixed with a solution of 260 mL of 0.210 M NiSO4.How many grams of this precipitate form?

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 concentration of Ni2+ that remains in 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 concentration of SO42- that remains in 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 concentration of K+ that remains in solution?

Solved • Oct 31, 2018

Solution Stoichiometry

Q. A 0.5890 g sample of impure magnesium hydroxide is dissolved in 103.0 mL of 0.2040 M HCl solution. The excess acid then needs 19.88 mL of 0.1036 M ...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. In each of the following pairs, indicate which has the higher concentration of I- ion.3.2 M HI solution or a solution made by dissolving 145 g of N...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. What mass of NaOH is needed to precipitate the Cd2+ ions from 36.0 mL of 0.510 M Cd(NO3)2 solution?

Solved • Oct 31, 2018

Solution Stoichiometry

Q. What volume of 0.130 M HClO4 solution is needed to neutralize 51.00 mL of 8.75×10−2 M NaOH?

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. You may want to reference (Pages 149 - 153) Section 4.6 while completing this problem.If 26.2 mL of AgNO3 is needed to precipitate all the Cl- ions...

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. 35.1 mL of a 0.126 M Na2CO3 solution completely react with a 0.150 M HNO3 solution according to the following balanced chemical equation: Na2CO3(aq...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. What volume (in mL) of a 0.175 M HNO3 solution is required to completely react with 35.1 mL of a 0.112 M Na2CO3 solution according to the following...

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. What is the molarity of ZnCl2 that forms when 30.0 g of zinc completely reacts with CuCl2 according to the following reaction? Assume a final volum...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. A 55.0-mL sample of a 0.102 M potassium sulfate solution is mixed with 35.0 mL of a 0.114 M lead(II) acetate solution and this precipitation reacti...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. You may want to reference (Pages 152 - 157)Section 4.4 while completing this problem.  A 57.5mL sample of a 0.112 M potassium sulfate solution is m...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. A 55.0-mL sample of a 0.102 M potassium sulfate solution is mixed with 35.0 mL of a 0.114 M lead(II) acetate solution and this precipitation reacti...

Solved • Oct 31, 2018

Solution Stoichiometry

Q. A 60.5 mL sample of a 0.114 M potassium sulfate solution is mixed with 37.5 mL of a 0.116 M lead(II) acetate solution and the following precipitati...

Solved • Oct 31, 2018