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Calculate the mass percentage of aspirin (C_(9)H_(8)O_(4)) in acetonitrile (CH_(3)CN) when 6.5 g of (C_(9)H_(8)O_(4)) is dissolved in 450 g of : |
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Answer» Solution :6.5 g of `C_(9)H_(8)O_(4)` is dissolved in 450 g of `CH_(3)CN`. Then,total MASS of the solution `= (6.5+45)g` = 456.5 g Therefore, mass PERCENTAGE of `C_(9)H_(8)O_(4)` `=(6.5)/(456.5)xx100` `= 1.424 %`. |
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