When NaCLO(s) dissolves in water it dissociates as follows NaCLO(s) + H2O(l) →Na+(aq) + CLO-(aq) is the conjugate base of the weak acid,  hypochlorous acid, as follows: CLO- (aq) + H2O(l) ⇌HCLO(aq) + OH- (aq) How many grams of NaCLO must be added to 2.00 L of water to make a solution with a pH of 10.50?       Kb = [HCLO-][OH-]/[CLO-] = 3.3x10−7     a)  0.46 grams   b)  23 grams   c)  0.31 grams   d)  46 grams

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 110QRT
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When NaCLO(s) dissolves in water it dissociates as follows

NaCLO(s) + H2O(l) →Na+(aq) + CLO-(aq) is the conjugate base of the weak acid,  hypochlorous acid, as follows:

CLO- (aq) + H2O(l) ⇌HCLO(aq) + OH- (aq)

How many grams of NaCLO must be added to 2.00 L of water to make a solution with a

pH of 10.50?       Kb = [HCLO-][OH-]/[CLO-] = 3.3x10−7

 

 

a) 

0.46 grams

 

b) 

23 grams

 

c) 

0.31 grams

 

d) 

46 grams

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