CBSE Class 11-science Answered
A solution contains 0.2M NH4OH and 0.2M NH4Cl.If 1ml of 0.001M HCl is added to it.What will be the OH^- of the resulting solution Kb=2×10^-5.
Asked by m.nilu | 19 Nov, 2018, 01:03: PM
Expert Answer
Apply henderson equation
pOH = pKb + log [salt]/[base]
= 5 - log 2 + log 0.2/0.2 = 5 - log 2
so, [OH] = 2 × 10-5
Answered by Sumit Chakrapani | 06 Dec, 2018, 01:55: PM
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