Concentration of HCl (M)= 0.445Volume of glass cleaner (mL)= 25.00Table 1. Volume and pH measurements for glass cleaner titration 1. Calculate the concentration of the weak base2.Determine the Kb of the weak base. HCI (mL)pH0.0011.622.0011.014.0010.716.0010.478.0010.3010.0010.1712.0010.0314.009.9316.009.8118.009.7020.009.5922.009.4824.009.3526.009.2028.009.0530.008.8432.008.5132.508.4133.008.2633.508.0734.007.7234.506.3235.003.3735.502.8836.002.6536.502.4937.002.38

The graph of pH v/s Volume of HCl is as follows:

Concentration of HCl (M)= 0.445 Volume of glass cleaner (mL)= 25.00 Table 1. Volume and pH measurements for glass cleaner titration 1. Calculate the concentration of the weak base 2.Determine the Kb of the weak base.

Concentration of HCl (M)= 0.445 Volume of glass cleaner (mL)= 25.00 Table 1. Volume and pH measurements for glass cleaner titration 1. Calculate the concentration of the weak base 2.Determine the Kb of the weak base.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter2: Measurements And Calculations

Section: Chapter Questions

Problem 70QAP: The freezing point of water is _________ K.

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Concentration of HCl (M)= 0.445

Volume of glass cleaner (mL)= 25.00

Table 1. Volume and pH measurements for glass cleaner titration

1. Calculate the concentration of the weak base

2.Determine the K_b of the weak base.

HCI (mL)
pH
0.00
11.62
2.00
11.01
4.00
10.71
6.00
10.47
8.00
10.30
10.00
10.17
12.00
10.03
14.00
9.93
16.00
9.81
18.00
9.70
20.00
9.59
22.00
9.48
24.00
9.35
26.00
9.20
28.00
9.05
30.00
8.84
32.00
8.51
32.50
8.41
33.00
8.26
33.50
8.07
34.00
7.72
34.50
6.32
35.00
3.37
35.50
2.88
36.00
2.65
36.50
2.49
37.00
2.38

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