How to prepare a buffer solution using ammonia $(pK_b = 4.75)$? What is the $pH$ of this buffer if the concentrations of ammonia and ammonium chloride are equal?
- AMix equal concentrations of $NH_3$ and $NH_4Cl$; $pH = 9.25$
- BMix equal concentrations of $NH_3$ and $NH_4Cl$; $pH = 4.75$
- CMix $NH_3$ and $HCl$ in $2:1$ ratio; $pH = 9.25$
- DMix $NH_3$ and $HCl$ in $1:2$ ratio; $pH = 4.75$
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Similar Questions
$50 \, mL$ of $0.1 \, M \, CH_3COOH$ is being titrated against $0.1 \, M \, NaOH$. When $25 \, mL$ of $NaOH$ has been added,the $pH$ of the solution will be $.... \times 10^{-2}$. (Nearest integer)
(Given : $pK_a(CH_3COOH) = 4.76$)
$\log 2 = 0.30$,$\log 3 = 0.48$,$\log 5 = 0.69$,$\log 7 = 0.84$,$\log 11 = 1.04$
(Given : $pK_a(CH_3COOH) = 4.76$)
$\log 2 = 0.30$,$\log 3 = 0.48$,$\log 5 = 0.69$,$\log 7 = 0.84$,$\log 11 = 1.04$
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