Question
Chemistry Question on Equilibrium
20 mL of 0.1 M NH4OH is mixed with 40 mL of 0.05 M HCl.The pH of the mixture is nearest to:(Given: Kb(NH4OH) = 1 × 10–5 ,log 2 = 0.30,log 3 = 0.48, log 5 = 0.69, log 7 = 0.84, log 11 =1.04)
A
3.2
B
4.2
C
5.2
D
6.2
Answer
5.2
Explanation