Fewpal
+1 vote
533 views
in Science by (57 points)
what is the ph of solution which have 1 ml NH4OH (CONC 0.1M) 1ML  and (NH4)2SO4 concentration 0.05M given that kb(NH4OH)=10^-5

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1 Answer

+2 votes
by (24.0k points)

Solution:

This assumes the ammonium ions formed from


NH4OH⇌NH+4+OH

are negligible compared to those from the ammonium salt.

So [OH]=2.105mol.dm3

So pOH=4.7

So pH=14−4.7=9.3

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