Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
86

Transcribed Image Text:Exercises 479
86. To what volume should you dilute 75 mL of a 10.0 M
H,SO4 solution to obtain a 1.75 M H,SO4 solution?
88. How much of a 5.0 M sucrose solution should you use to
make 85.0 mL of a 0.040 M solution?
90. Determine the volume of 0.225 M KOH solution required
to neutralize each sample of sulfuric acid. The neutraliza-
tion reaction is:
H,SO4(aq) + 2 KOH(aq) → K2SO4(aq) + 2 H2O(1)
(a) 45 mL of 0.225 M H,SO4
(b) 185 mL of 0.125 M H,SO4
(c) 75 mL of 0.100 M H,SO4
Courste
92. Consider the reaction:
2 KNO3(aq) + CoS(s)
K,S(aq) + Co(NO3)2(aq)
What volume of 0.225 M K2S solution is required to com-
pletely react with 175 mL of 0.115 M Co(NO3),?
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