The Total solution for NCERT class 6-12
Calculate the mass percentage ofaspirin (C9H8O4) in acetonitrile (CH3CN)when 6.5 g of C9H8O4 is dissolved in 450g of CH3CN.
.5 g of C9H8O4 isdissolved in 450 g of CH3CN.
Then, total mass of the solution= (6.5 + 450) g
= 456.5 g
= 1.424%