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0.1 mole of CH3NH2 (Kb = 5 x 10-1) is mixed with 0.08 mole of HCI and diluted to one litre. What will be the H+ concentration in the solution?

(a) 8 x 10-2M

(b) 8 x 10-11M

(c) 1.6 x 10-11M

(d) 8 x 10-5M

1 Answer

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Best answer

The correct option (b) 8 x 10-11M

Explanation:

CH3NH2 (base) on reaition with HCI (acid) to give a salt of weak base and strong acid as CH3NH+3CI-

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