\({\text{[}}{{\text{H}}^ + }] = \frac{{1.825}}{{36.5 \times 5}} = \frac{1}{{100}} = 0.01N = {10^{ - 2}}N\)
\([O{H^ - }] = \frac{{{K_w}}}{{[{H^ + }]}} = \frac{{{{10}^{ - 14}}}}{{{{10}^{ - 2}}}} = {10^{ - 12}}\)
$\left[\right.$ આપેલ : $pK _{ b }\left( NH _3\right)=4.745$
$\log 2=0.301$
$\log 3=0.477$
$T =298\,K ]$
