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15mL of sample of 0.15 M NH(3)(aq) is ti...

`15mL` of sample of `0.15 M NH_(3)(aq)` is titrated against `0.1 M HCl(aq)` What is the `pH` at the end point? `K_(b)` of `NH_(3)(aq)=1.8xx10^(-5)` .Report the answer rounding it off to the nearest whole number.

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