\(\quad \quad \quad 2.2 \times 10^{-4} \mathrm{M} \quad 1.1 \times 10^{-4} \mathrm{M}\)
\(\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ag}^{+}\right]^{2}\left[\mathrm{C}_{2} \mathrm{O}_{4}^{2-}\right]\)
\(=\left[2.2 \times 10^{-4}\right]^{2} \cdot\left[1.1 \times 10^{-4}\right]\)
\(\mathrm{K}_{\mathrm{sp}}=5.3 \times 10^{-12}\)
(આપેલ : $K _{ b }\left( NH _4 OH \right)=1 \times 10^{-5}, \log 2=0.30, \log 3=0.48, \log 5=0.69, \log 7=0.84, \log 11=$ $1.04)$
$(I){\mkern 1mu} C{H_3}CH_2^ - {\mkern 1mu} + {\mkern 1mu} \mathop {C{H_3}N{H_2}}\limits_{p{K_a} = 35} \rightleftharpoons \mathop {C{H_3}C{H_3}}\limits_{p{K_a} = 50} + C{H_3}N{H^ - }$
$(II){\mkern 1mu} {F^ - }{\mkern 1mu} + {\mkern 1mu} \mathop {{H_2}O}\limits_{p{K_a} = 15.7} \rightleftharpoons \mathop {HF}\limits_{p{K_a} = 3.2} + H{O^ - }$
એમોનિયા દ્રાવણની $pH$ શું હશે?
(એમોનિયા દ્રાવણનો $pK_b$ $4.74$ છે).