General Chemistry
General Chemistry
4th Edition
ISBN: 9781891389603
Author: Donald A. McQuarrie, Peter A. Rock, Ethan B. Gallogly
Publisher: University Science Books
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Chapter 12, Problem 12.31P

(a)

Interpretation Introduction

Interpretation:

Volume of 0.108 M H2SO4 solution needed to neutralize 15.0 μL solution of 0.010 M Ca(OH)2 has to be calculated.

Concept Introduction:

The dilution formula is given as follows:

  n1M1V1=n2M2V2

Here,

M1 denotes the molarity of the solution before dilution.

V1 denotes the volume of the solution before dilution.

M2 denotes the molarity of solution after dilution.

V2 denotes the volume of the solution after dilution.

n1 and n2 are n factors of acid and base respectively.

(a)

Expert Solution
Check Mark

Answer to Problem 12.31P

Volume of 0.108 M H2SO4 solution needed to neutralize 15.0 μL solution of 0.010 M Ca(OH)2 is 0.1851×106 L.

Explanation of Solution

The conversion factor to convert liters to is μL as follows:

  1 μL=106 L

Hence convert 15 μL to L as follows:

  Volume=(15 μL)(106 L1 μL)=15×106 L

The dilution formula is given as follows:

  n1M1V1=n2M2V2        (1)

Substitute 1 for n1, 2 for n2, 0.108 M for M1, 0.010 M for M2, 15×106 L for V2 in equation (1).

  (1)(0.108 M)(V1)=(2)(0.010 M)(15×106 L)        (2)

Rearrange equation (2) to calculate the value of V1.

  V1=(2)(0.010 M)(15×106 L)(1)(0.108 M)=0.1851×106 L

(b)

Interpretation Introduction

Interpretation:

Volume of 0.300 M H2SO4 solution needed to neutralize 25.0 mL solution of 0.200 M NaOH has to be calculated.

Concept Introduction:

Refer to part (a).

(b)

Expert Solution
Check Mark

Answer to Problem 12.31P

Volume of 0.300 M H2SO4 solution needed to neutralize 25.0 mL solution of 0.200 M NaOH is 8.333 mL.

Explanation of Solution

The dilution formula is given as follows:

  n1M1V1=n2M2V2        (1)

Substitute 2 for n1, 1 for n2, 0.300 M for M1, 0.200 M for M2, 25.0 mL for V2 in equation (1).

  (2)(0.300 M)(V1)=(1)(0.200 M)(25.0 mL)        (3)

Rearrange equation (3) to calculate the value of V1.

  V1=(0.200 M)(25.0 mL)(2)0.300 M=8.333 mL

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Chapter 12 Solutions

General Chemistry

Ch. 12 - Prob. 12.11PCh. 12 - Prob. 12.12PCh. 12 - Prob. 12.13PCh. 12 - Prob. 12.14PCh. 12 - Prob. 12.15PCh. 12 - Prob. 12.16PCh. 12 - Prob. 12.17PCh. 12 - Prob. 12.18PCh. 12 - Prob. 12.19PCh. 12 - Prob. 12.20PCh. 12 - Prob. 12.21PCh. 12 - Prob. 12.22PCh. 12 - Prob. 12.23PCh. 12 - Prob. 12.24PCh. 12 - Prob. 12.25PCh. 12 - Prob. 12.26PCh. 12 - Prob. 12.27PCh. 12 - Prob. 12.28PCh. 12 - Prob. 12.29PCh. 12 - Prob. 12.30PCh. 12 - Prob. 12.31PCh. 12 - Prob. 12.32PCh. 12 - Prob. 12.35PCh. 12 - Prob. 12.36PCh. 12 - Prob. 12.37PCh. 12 - Prob. 12.38PCh. 12 - Prob. 12.39PCh. 12 - Prob. 12.40PCh. 12 - Prob. 12.41PCh. 12 - Prob. 12.42PCh. 12 - Prob. 12.43PCh. 12 - Prob. 12.44PCh. 12 - Prob. 12.45PCh. 12 - Prob. 12.46PCh. 12 - Prob. 12.47PCh. 12 - Prob. 12.48PCh. 12 - Prob. 12.49PCh. 12 - Prob. 12.50PCh. 12 - Prob. 12.51PCh. 12 - Prob. 12.52PCh. 12 - Prob. 12.53PCh. 12 - Prob. 12.54PCh. 12 - Prob. 12.55PCh. 12 - Prob. 12.56PCh. 12 - Prob. 12.58PCh. 12 - Prob. 12.59PCh. 12 - Prob. 12.60PCh. 12 - Prob. 12.61PCh. 12 - Prob. 12.62PCh. 12 - Prob. 12.63PCh. 12 - Prob. 12.64PCh. 12 - Prob. 12.65PCh. 12 - Prob. 12.66PCh. 12 - Prob. 12.67PCh. 12 - Prob. 12.68PCh. 12 - Prob. 12.69PCh. 12 - Prob. 12.70PCh. 12 - Prob. 12.71PCh. 12 - Prob. 12.72PCh. 12 - Prob. 12.73PCh. 12 - Prob. 12.74PCh. 12 - Prob. 12.75PCh. 12 - Prob. 12.76PCh. 12 - Prob. 12.77PCh. 12 - Prob. 12.78PCh. 12 - Prob. 12.79PCh. 12 - Prob. 12.80PCh. 12 - Prob. 12.81PCh. 12 - Prob. 12.82PCh. 12 - Prob. 12.83PCh. 12 - Prob. 12.84PCh. 12 - Prob. 12.85P
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