Qstnid -B-28-calculate The Mass Percentage Of Aspirin (C<sub>9</sub>h<sub>8</sub>o<sub>4</sub>) In Acetonitrile (Ch<sub>3</sub>cn) When 6.5 G Of C<sub>9</sub>h<sub>8</sub>o<sub>4</sub> Is Dissolved In 450 G Of Ch<sub>3</sub>cn. - 02: Solutions - Neet-xii-chemistry

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NEET-XII-Chemistry

02: Solutions

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#28
Calculate
the mass percentage of aspirin (C₉H₈O₄)
in acetonitrile (CH₃CN)
when 6.5 g of C₉H₈O₄ is dissolved in 450 g of CH₃CN.
Ans : 6.5
g of C₉H₈O₄ is dissolved in 450 g of CH₃CN.
Then,
total mass of the solution = (6.5 + 450) g
= 456.5 g
Therefore, mass
percentage ofC₉H₈O₄
=
1.424%