CH3.NH2 (0.1 mole, Kb = 5 × 10–4) is added to 0 .08 moles of HCl an – McqOptions

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1.	CH3.NH2 (0.1 mole, Kb = 5 × 10–4) is added to 0 .08 moles of HCl and the solution is diluted to one litre, resulting hydrogen ion concentration is?
A.	1 .6 × 10–11
B.	8 × 10–11
C.	5 × 10–5
D.	8 × 10–2
Answer» C. 5 × 10–5

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