A weak acid HA has a K_a of 1.00 times 10^{-5 | vedclass

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Question

$\mathrm{K}_{\mathrm{a}}=\mathrm{C} \alpha^{2}$

$\Rightarrow 10^{-5}=0.1 	imes \alpha^{2}$

$\Rightarrow 10^{-2}=\alpha$

$\Rightarrow 1 \%=\a

Vedclass · Accepted Answer

$1$

Vedclass · Answer

$\mathrm{K}_{\mathrm{a}}=\mathrm{C} \alpha^{2}$

$\Rightarrow 10^{-5}=0.1 	imes \alpha^{2}$

$\Rightarrow 10^{-2}=\alpha$

$\Rightarrow 1 \%=\alpha$

A weak acid $HA$ has a $K_a$ of $1.00 \times 10^{-5} $. If $0.100\,mol$ of this acid is dissolved in one litre of water the percentage of acid dissociated at equilibrium is closest to.....$\%$

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