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Strong Acid-Base Calculations Solutions Library

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Strong Acid-Base Calculations

Q. What is the pH of a 0.20 M HCl solution?a. 0.70b. < 0c. 12.39d. 13.30e. 1.61

Solved • Mar 25, 2020

Strong Acid-Base Calculations

Q. Determine the pOH of a 0.348 M Ba(OH)2 solution at 25°C.

Solved • Mar 25, 2020

Strong Acid-Base Calculations

Q. Determine the [OH-] concentration of a 0.741 M KOH solution at 25°C.

Solved • Mar 23, 2020

Strong Acid-Base Calculations

Q. How many moles of H+ aqueous ions are present in 750mL of 0.65M HCl?

Solved • Mar 20, 2020

Strong Acid-Base Calculations

Q. How many milliliters of 0.200 M NaOH are required to neutralize 20.0 ml of 0.100 M HCl?

Solved • Mar 20, 2020

Strong Acid-Base Calculations

Q. Calculate the pH of the resulting solution if 21.0 mL of 0.210 M HCl(aq) is added to1. 31.0 mL of 0.210 M NaOH(aq).2. 11.0 ml of 0.310 M NaOH(aq).

Solved • Mar 20, 2020

Strong Acid-Base Calculations

Q. What is the pH of a 0.0150 M aqueous solution of rubidium hydroxide (RbOH)?A. 1.82B. 6.20C. 10.8D. 12.2E. none of the above

Solved • Feb 10, 2020

Strong Acid-Base Calculations

Q. A saturated solution of calcium hydroxide contains 0.38 grams of calcium hydroxide in each 250 mL of solution. What is the pH of saturated calcium ...

Solved • Feb 7, 2020

Strong Acid-Base Calculations

Q. What is the pH of 0.0157 M HBr?

Solved • Jan 24, 2020

Strong Acid-Base Calculations

Q. What is the pOH of a 0.040 M solution of HCIO3?A) 12.6B) 1.4C) 12.9D) 1.1

Solved • Dec 19, 2019

Strong Acid-Base Calculations

Q. What is the pH of a solution made by mixing 100.0 mL of 0.10 M HNO3, 50.0 mL of 0.20 M HCl, and 100.0 mL of water? Assume that the volumes are addi...

Solved • Dec 18, 2019

Strong Acid-Base Calculations

Q. What is the pH of a 0.147 M solution of NaOH? Enter your answer with two decimal places.a. 13.17b. 0.83c. 5.70d. 0.13e. 8.30

Solved • Dec 18, 2019

Strong Acid-Base Calculations

Q. What is the pH of a 0.542 M solution of HCl? enter your answer with two decimal places.a. 1.27b. -0.26c. -0.73d. 0.27e. 0

Solved • Dec 17, 2019

Strong Acid-Base Calculations

Q. What is the pH of a 0.187 M solution of NaOH?a. 13.27b. 12.85c. 9.61d. 2.26e. 0.728

Solved • Dec 12, 2019

Strong Acid-Base Calculations

Q. What is the pH of a 0.261 M solution of RbOH? Enter your answer with two decimal places.

Solved • Dec 12, 2019

Strong Acid-Base Calculations

Q. What is the pH of a 0.10 M HCl solution?A. 1.00 B. 13.00 C. 2.88 D. 1.25 E. 12.75

Solved • Nov 18, 2019

Strong Acid-Base Calculations

Q. Calculate the pH of a 0.250 M solution of Ca(OH)2 at 25 °C.A. 5.678B. 0.552 C. 0.854 D. 13.699 E. 13.447

Solved • Nov 13, 2019

Strong Acid-Base Calculations

Q. Consider the titration of a 36.0 mL sample of 0.175 M  HBr with 0.205 M KOH. Determine each of the following:the initial pH

Solved • Jan 3, 2019

Strong Acid-Base Calculations

Q. For each of the following solutions, calculate the initial pH and the final pH after adding 0.0200 mol of NaOH.For 260.0 mL of pure water, calculat...

Solved • Jan 3, 2019

Strong Acid-Base Calculations

Q. The probe of the pH meter shown here is sitting in a beaker that contains a clear liquid.If the liquid is one of the solutions, what is its molarity?

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. Order the following three solutions from smallest to largest pH:0.20  M HClO30.0030  M HNO31.50  M HCl

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. Calculate the pH of a solution made by adding 2.60 g of lithium oxide (Li2O) to enough water to make 1.600 L of solution.

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. Which solution has the higher pH, a 0.001 M solution of NaOH or a 0.001 M solution of Ba(OH)2?

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. Calculate pH for 1.6x10-3 M Sr(OH)2.

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. What is the pH and pOH of 1.0 x 10-3 M NaOH?

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with each pH value?pH = 2.60

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. Find the pH of each mixture of acids.1.5×10−2 M in HBr and 2.0×10−2 M in HClO4

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. Determine the pH of each solution.a solution that is 4.7×10−2 M in HClO4 and 5.1×10−2 M in HCl

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. Determine the pH of each solution.a solution that is 1.07% HCl by mass (Assume a density of 1.01  g / mL for the solution.)

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. Determine the pH of each of the following solutions.2.05×10−2 M KOH

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. Determine the pH of a solution that is 3.65% KOH by mass. Assume that the solution has density of 1.01  g / mL.

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. What volume of a 15.0% by mass NaOH solution, which has a density of 1.116 g/mL, should be used to make 5.05 L of an NaOH solution with a pH of 10.6?

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179 g/mL, should be used to make 4.95 L of an HCl sol...

Solved • Dec 13, 2018

Strong Acid-Base Calculations

Q. (b) What is the pOH of 1.59×10 −3 M HClO4? Is the solution neutral, acidic, or basic?

Solved • Nov 19, 2018

Strong Acid-Base Calculations

Q. (a) What is the pH of 7.52×10 −4 M CsOH? Is the solution neutral, acidic, or basic?

Solved • Nov 19, 2018

Strong Acid-Base Calculations

Q. (b) What is the pOH of 2.55 M Ba(OH) 2? Is the solution neutral, acidic, or basic?

Solved • Nov 19, 2018

Strong Acid-Base Calculations

Q. (b) What is the pOH of 0.0347 M KOH? Is the solution neutral, acidic, or basic?

Solved • Nov 19, 2018

Strong Acid-Base Calculations

Q. (b) What is the pOH of 1.35×10−3 M HCl? Is the solution neutral, acidic, or basic?

Solved • Nov 19, 2018

Strong Acid-Base Calculations

Q. Calculate the concentration of an aqueous Sr(OH)2 that has pH = 10.50.

Solved • Nov 15, 2018

Strong Acid-Base Calculations

Q. What mass of KOH is necessary to prepare 800.0 mL of a solution having a pH = 11.56?

Solved • Nov 15, 2018

Strong Acid-Base Calculations

Q. What is the major species present in the following mixture of base?a. 0.050 M NaOH and 0.050 M LiOHWhat is [OH-] and the pH of this solution?

Solved • Nov 15, 2018

Strong Acid-Base Calculations

Q. What is the major species present in 0.015 M solution of the following base?b. Ba(OH)2What is [OH-] and the pH of this solution?

Solved • Nov 15, 2018

Strong Acid-Base Calculations

Q. What is the major species present in 0.015 M solution of the following base?a. KOHWhat is [OH-] and the pH of this solution?

Solved • Nov 15, 2018

Strong Acid-Base Calculations

Q. Calculate [OH-], pOH, and pH for the following.a. 0.00040 M Ca(OH)2

Solved • Nov 15, 2018

Strong Acid-Base Calculations

Q. A solution is prepared by adding 50.0 mL concentrated hydrochloric acid and 20.0 mL concentrated nitric acid to 300 mL water. More water is added u...

Solved • Nov 15, 2018

Strong Acid-Base Calculations

Q. How would you prepare 1600 mL of a pH = 1.50 solution using concentrated (12 M) HCl?

Solved • Nov 15, 2018

Strong Acid-Base Calculations

Q. A solution is prepared by adding 50.0 mL of 0.050 M HBr to 150.0 mL of 0.10 M HI. Calculate [H+] and the pH of this solution. HBr and HI are both c...

Solved • Nov 15, 2018

Strong Acid-Base Calculations

Q. What are the major species present in 0.250 M solutions of each of the following acids? Calculate the pH of each of these solutions.b. HNO3

Solved • Nov 13, 2018

Strong Acid-Base Calculations

Q. What are the major species present in 0.250 M solutions of each of the following acids? Calculate the pH of each of these solutions.a. HClO4 

Solved • Nov 13, 2018

Strong Acid-Base Calculations

Q. To make a 4 N solution of NaOH how many grams of sodium hydroxide (mw = 40.00) would you dissolve in 100 mL? A) 4 g B) 8 g C) 10 g D) 16 g E) 20 g

Solved • Sep 11, 2018

Strong Acid-Base Calculations

Q. Ba(OH)2 is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.750 M Ba(OH)2 solution.[Ba2+][OH-]

Solved • Aug 14, 2018

Strong Acid-Base Calculations

Q. A 25.00 mL sample of 0.290M KOH analyte was titrated with 0.750 M HI at 25°C.Calculate the initial pH before any titrant was added.pH =

Solved • Jul 24, 2018

Strong Acid-Base Calculations

Q. What is the pH of a 0.029M solution of NaOH? Enter your answer with two decimal places.  

Solved • Jul 24, 2018

Strong Acid-Base Calculations

Q. In the reaction: HCI (aq) + NaOH (aq) → NaCl (aq) + H 2O (I)Starting with 5 moles of HCI and 3 moles of NaOH, how many moles of ___ will be left ov...

Solved • Jul 24, 2018

Strong Acid-Base Calculations

Q. Calculate the [H3O+] of each aqueous solution with the following [OH-].Part A         NaOH, 1.0 x 10 -2 M         Express your answer using two sig...

Solved • Jul 16, 2018

Strong Acid-Base Calculations

Q. Determine the pH of the following base solutions. (Assume that all solutions are at 25°C and the ion-product constant of water, kw is 1.01 x 10 -14.)

Solved • Jun 25, 2018

Strong Acid-Base Calculations

Q. Determine the pH of the following acid solutions. 

Solved • Jun 25, 2018

Strong Acid-Base Calculations

Q. Calculate [H+], [ClO4-], and [OH-] in an aqueous solution that is 0.125 M in HClO 4(aq) at 25°C. Is the solution acidic, basic or neutral? 

Solved • Jun 6, 2018

Strong Acid-Base Calculations

Q. Calculate the pH of a 0,0312 M KOH solution at the following temperatures.a) 30 °C b) 45 °C 

Solved • Jun 6, 2018

Strong Acid-Base Calculations

Q. EXTRA CREDIT: What is the pH of a saturated solution of magnesium hydroxide (Mg(OH) 2) in pure water? Ksp Mg(OH)2 = 2.06 x 10 -13 

Solved • Jun 4, 2018

Strong Acid-Base Calculations

Q. Calculate the pH of a 1.0 times 10-1 M solution of HC1.PH = 

Solved • May 30, 2018

Strong Acid-Base Calculations

Q. What volume of water (in ml) must be added to 18.3 mL of a pH 1.6 solution of HNO3 in order to change the pH to 3.7? 

Solved • Apr 29, 2018

Strong Acid-Base Calculations

Q. Calculate the pH and the pOH of an aqueous solution that is 0.035 M in HCl (aq) and 0.060 M in HBr(aq) at 25 C. 

Solved • Apr 19, 2018

Strong Acid-Base Calculations

Q. What is the pH of 8 x 10 -8 M HCl?

Solved • Mar 26, 2018

Strong Acid-Base Calculations

Q. For each of the following strong base solutions, determine [OH-], [H3O+], pH, and pOHa. 8.77 x 10-3 M LiOH  b. 1.15 x 10-2 M Ba(OH)2  c. 5.3 x 10-4...

Solved • Mar 13, 2018

Strong Acid-Base Calculations

Q. For the following strong base solution, determine [OH-], [H3O+], pH, and pOH. 0.20M NaOH

Solved • Mar 12, 2018

Strong Acid-Base Calculations

Q. A) Calculate the pH of a 0.10 M solution of barium hydroxide, Ba(OH)2. Express your answer numerically using two decimal places.   B) Calculate the...

Solved • Jan 4, 2018

Strong Acid-Base Calculations

Q. Calculate the concentration of H+ ions in a 0.010 M aqueous solution of sulfuric acid. Express your answer to three decimal places and include the ...

Solved • Jan 4, 2018

Strong Acid-Base Calculations

Q. What is the pH of a 0.017M Ba(OH) 2 solution?    

Solved • Dec 18, 2017

Strong Acid-Base Calculations

Q. Calculate the pH of a 0.10 M solution of barium hydroxide, Ba(OH)2.

Solved • Sep 25, 2017

Strong Acid-Base Calculations

Q. Calculate the pH of a 0.10 M solution of HCl.

Solved • Sep 22, 2017

Strong Acid-Base Calculations

Q. You are given two solutions: 0.50 M HCl (aq) and 0.50 M Ca(OH) 2 (aq). What is the [H+] in the HCl solution? What is the [OH -] in the Ca(OH)2 solu...

Solved • Aug 17, 2017

Strong Acid-Base Calculations

Q. Determine the pOH in a 0.235 M NaOH solution.

Solved • Jun 16, 2017

Strong Acid-Base Calculations

Q. Determine the pH of a 0.00598 M HClO 4 solution.A) 11.777B) 6.434C) 7.566D) 2.223E) 3.558

Solved • Jun 16, 2017

Strong Acid-Base Calculations

Q. Calculate the pH of a 0.34 M HCl solution.

Solved • May 30, 2017

Strong Acid-Base Calculations

Q. What mass of HI should be present in a 0.250 L aqueous solution to give a: (a) pH = 1.25 (b) pH = 2.85

Solved • May 30, 2017

Strong Acid-Base Calculations

Q. An HNO3 (aq) solution has a pH of 1.75. What is the molar concentration of HNO 3 (aq) in the solution? (a) 1.75 M (b) 5.6 × 10-13 M (c) 56 M (d...

Solved • May 30, 2017

Strong Acid-Base Calculations

Q. An aqueous nitric acid solution has a pH of 2.15. What mass of HNO  3 (molar mass = 63.02 g/mol) is present in 20.0 L of this solution? a. 0.14 g ...

Solved • May 24, 2017

Strong Acid-Base Calculations

Q. Calculate the pH of a 0.00418 M HClO4 solution to the correct number of sig figs.A. 2.4B. 2.38C. 2.3788D. 2.379E. 2.37882

Solved • Apr 28, 2017

Strong Acid-Base Calculations

Q. Determine the pH of a solution created by dissolving 0.215 grams of Magnesium hydroxide, Mg(OH)2, in 419.48 mL of solution.A. 2.056B. 12.245C. 10.7...

Solved • Apr 28, 2017

Strong Acid-Base Calculations

Q. What is the pH of 252.185 mL of a 3.52 x 10 -4 M HClO3 solution?A. 4.05B. 10.55C. 2.82D. 3.45E. the pH can't be calculated without the value of K a

Solved • Apr 28, 2017

Strong Acid-Base Calculations

Q. What is the pOH of a 0.0085 M KOH solution? A) 2.1 B) 4.8 C) 9.2 D) 11.9 E) None of these choices is correct.

Solved • Mar 23, 2017

Strong Acid-Base Calculations

Q. What is the pOH of a 0.0250 M HI solution?A) 0.94B) 1.60C) 12.4D) 13.1E) None of these choices is correct.

Solved • Mar 23, 2017

Strong Acid-Base Calculations

Q. What is the pH of a 0.050 M LiOH solution? A) < 1.0 B) 1.30 C) 3.00 D) 11.00 E) 12.70

Solved • Mar 23, 2017

Strong Acid-Base Calculations

Q. What is the pH of a 0.056 M HNO3 solution? A) 0.056 B) 1.25 C) 12.75 D) 2.88 E) 11.11

Solved • Mar 23, 2017

Strong Acid-Base Calculations

Q. The OH– concentration in a 0.083 M NaOH solution isA) 0.083 M.      B) 1.21 x 10–13 M.      C) 8.30 x 10–16 M.      D) 7 M.    E) 8.30 x 1012 M.

Solved • Mar 22, 2017

Strong Acid-Base Calculations

Q. A saturated aqueous solution of calcium hydroxide (Ca(OH) 2) has a pH of 12.25. What is the [Ca 2+] of such a solution?      A) 5.6 × 10 −13       ...

Solved • Mar 22, 2017

Strong Acid-Base Calculations

Q. What is the pH of a 0.015 M aqueous solution of barium hydroxide (Ba(OH)  2)?      A) 12.25      B) 1.82      C) 12.48      D) 1.52       E) 10.41

Solved • Mar 22, 2017

Strong Acid-Base Calculations

Q. Calculate the pH of a 0.0015 M HCl solution. A) 2.82            B) 1.50            C) 11.17          D) 3.84            E) 1.5 X 10 ‒3

Solved • Mar 22, 2017

Strong Acid-Base Calculations

Q. What is the pH of a 0.020 M HClO 4 solution? A) 0.020          B) 0.040          C) 1.70            D) 12.30

Solved • Mar 22, 2017

Strong Acid-Base Calculations

Q. The pH of a Ba(OH) 2 solution is 10.00. What is the H+ ion concentration of this solution?A) 4.0 x 10–11 MB) 1.6 x 10–10 MC) 1.3 x 10–5 MD) 1.0 x 1...

Solved • Mar 22, 2017

Strong Acid-Base Calculations

Q. What is the H+ ion concentration in a 2.1 x10–4 M Ca(OH)2 solution?A) 7.3 x 10–4 MB) 1.4 x 10–3 MC) 2.1 x 10–4 MD) 2.4 x 10–11 M

Solved • Mar 22, 2017

Strong Acid-Base Calculations

Q. The pH of a solution of hydrochloric acid is 2.77. What is the molarity of the acid?1. 0.00172. 0.01353. 0.0001354. 8.51e-055. 0.0002696. 0.001077....

Solved • Mar 10, 2017

Strong Acid-Base Calculations

Q. What is the [H 3O+] in a 0.050 M solution of Ba(OH) 2?1. 2.0 × 10−5 M2. 5.0 × 10−10 M3. 5.0 × 10−2 M4. 1.0 × 10−13 M5. 1.0 × 10−5 M6. 2.0 × 10−13 M

Solved • Mar 10, 2017

Strong Acid-Base Calculations

Q. What is the pH of a 1.2 M solution of KOH?A. a pH greater than 14B. a pH of 14C. a pH less than 14D. the pH is outside the allowed range of 0 to 14...

Solved • Feb 27, 2017

Strong Acid-Base Calculations

Q. What is the pH of a solution when 25.0 mL of 0.02 M HCl is added to 800 mL of pure water? 

Solved • Oct 25, 2016

Strong Acid-Base Calculations

Q. Calculate the pH of 55.00 mL of 2.50 x 10 –1 M H2SO4.

Solved • Sep 22, 2016

Strong Acid-Base Calculations

Q. How much NaOH (in grams) is needed to prepare 620 mL of a solution with a pH = 9.25? 

Solved • Sep 22, 2016

Strong Acid-Base Calculations

Q. What is the pH of a solution labeled 0.008 M HNO 3?1. 2.12. 8.33. 10.14. 3.95. 11.9

Solved • Sep 21, 2016

Strong Acid-Base Calculations

Q. How many grams of HNO3 are needed to make 315 mL of a solution with a pH of 2.60? The molar mass of HNO3 is 63.02 g/mol. 1. 19.9 g 2. 0.502 g 3....

Solved • Sep 21, 2016