What amount of solute is dissolved in \( 0.5 \mathrm{~L} \) of P so...

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What amount of solute is dissolved in \( 0.5 \mathrm{~L} \) of
P solution to make it \( 20 \%(\mathrm{w} / \mathrm{v}) \) ?

W
(A) \( 120 \mathrm{~g} \)
(B) \( 150 \mathrm{~g} \)
(C) \( 100 \mathrm{~g} \)
(D) \( 200 \mathrm{~g} \)
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