Calculate the mass percentage of aspirin...

Calculate the mass percentage of aspirin '(C_9 H_8 O_2)' in acetonitrile '(CH_3 CN)' when '6.5 g' of 'C_9 H_8 O_4' is dissolved in '450 g' of 'CH_3 CN'

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` Mass percentage = Mass of solute / Mass of solution xx 100 ` `=-6.5/.6 .5+450 xx 100=1.42 %`

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