Consider a weak base ' B ' of pK _{ b }=5.699 .^{'} x ' mL of 0.02 M HCl and ' y ' mL of 0.02 M weak base ' B ' are mixed to make 100 mL of a buffer of pH 9 at 25^{\circ} C. The values of ' x ' and ' y ' respectively are : [Given : \log 2=0.3010, \log 3=0.4771, \log 5=0.699 ] [28 Jan 2026 Shift 1]

Ionic Equilibrium Part 2

Section: Chemistry

Question : 2 of 34

Marks: +1, -0

Consider a weak base ' B ' of pKb=5.699.′x′mL of 0.02 M HCl and ' y ' mL of 0.02 M weak base ' B ' are mixed to make 100 mL of a buffer of pH 9 at 25∘C. The values of ' x ' and ' y ' respectively are :
[Given : log‌2=0.3010,log‌3=0.4771,log‌5=0.699 ]

[28 Jan 2026 Shift 1]

x y
42.7 57.3
x y
14.3 85.7
x y
85.7 14.3
x y
11.1 88.9

x	y
42.7	57.3

x	y
14.3	85.7

x	y
85.7	14.3

x	y
11.1	88.9

Validate

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