The OH- concentration in a mixture of 5.0 mL of 0.0504 M NH4Cl and 2 mL of 0.0210 M NH3 solution is x × 10-6 M. The value of x is________. (Nearest integer)
[Given Kw = 1 × 10-14 and Kb = 1.8 × 10-5]
The OH- concentration in a mixture of 5.0 mL of 0.0504 M NH4Cl and 2 mL of 0.0210 M NH3 solution is x × 10-6 M. The value of x is________. (Nearest integer)
[Given Kw = 1 × 10-14 and Kb = 1.8 × 10-5]
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1 Answer
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0.0504 M NH4Cl of 5ml => millimole of
0.0210 M NH3 of 2ml => millimole of NH3 = 0.0210 × 2
It is a basic buffer.
Total volume = 7ml
Ans. = 3
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