The pH and electrical of 4 differnt mixures were measured: (Table on picture) a Explain why the conductivity of mixture A is higher than that of mixture B, yet the pH of A is lower than the pH of B. Include relevant equations in your answer. b Explain why the pH of mixture C is the same as the pH of mixture A. c Why is the conductivity of mixture C larger than the conductivity of mixture A? d Why is the pH of mixture D the same as the pH of mixture B? Determine the final pH for the following two solutions a) Solution A after mixing 500mL 0.2M HCl and 300 mL 0.6M HCl b) Solution B after mixing 400mL 0.3M HCl and 200mL 0.8M NaOH

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
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The pH and electrical of 4 differnt mixures were measured: 

(Table on picture) 

a Explain why the conductivity of mixture A is higher than that of mixture B, yet the pH of A is 
lower than the pH of B. Include relevant equations in your answer.
b Explain why the pH of mixture C is the same as the pH of mixture A.
c Why is the conductivity of mixture C larger than the conductivity of mixture A?
d Why is the pH of mixture D the same as the pH of mixture B?

Determine the final pH for the following two solutions
a) Solution A after mixing 500mL 0.2M HCl and 300 mL 0.6M HCl
b) Solution B after mixing 400mL 0.3M HCl and 200mL 0.8M NaOH

 

Mixtures
A 0.1 mol L-¹ HCI
B 0.1 mol L¹ CH3COOH
C Mixture made by mixing equal volumes of
0.2 mol L-¹ HCI and 0.2 mol L-¹ NaCl
D
Mixture made by mixing equal volumes of
0.2 mol L-¹ HCI and 0.2 mol L-¹ NaCH3COO
Conductivity
(mA)
260
5
340
80
pH
1
3
1
3
Transcribed Image Text:Mixtures A 0.1 mol L-¹ HCI B 0.1 mol L¹ CH3COOH C Mixture made by mixing equal volumes of 0.2 mol L-¹ HCI and 0.2 mol L-¹ NaCl D Mixture made by mixing equal volumes of 0.2 mol L-¹ HCI and 0.2 mol L-¹ NaCH3COO Conductivity (mA) 260 5 340 80 pH 1 3 1 3
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