$CH_3COO^{-}Na^+ + H_2O \rightleftharpoons CH_3COOH + Na^{+}OH^{-1}$
$1$ $0$ $0$
$\frac{{1 - x}}{v}$ $\frac{x}{v}$ $\frac{x}{v}$
$[O{H^ - }] = C.x = {10^{ - 3}}$
$[{H^ + }] = \frac{{{K_w}}}{{[O{H^ - }]}} = \frac{{{{10}^{ - 14}}}}{{{{10}^{ - 3}}}} = {10^{ - 11}}$
$pH = 11$
એમોનિયા દ્રાવણની $pH$ શું હશે?
(એમોનિયા દ્રાવણનો $pK_b$ $4.74$ છે).
$(a)\;\;60\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+40 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}$
$(b)\;\;55\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+45 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}$
$(c)\;\;75\; \mathrm{mL} \frac{\mathrm{M}}{5}\; \mathrm{HCl}+25 \;\mathrm{mL} \frac{\mathrm{M}}{5} \;\mathrm{NaOH}$
$(d)\;\;100\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+100 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}$
તેઓ પૈકી કોની $pH$ $1$ ને સમાન થશે ?