A solution is prepared by adding 2 g of a substance A to 18 g of water. Calculate the massper cent of the solute

A solution is prepared by adding 2 g of a substance A to 18 g of water

1.	A solution is prepared by adding 2 g of a substance A to 18 g of water. Calculate the massper cent of the solute
Answer» SOLUTION :Mass PER cent of `A="Mass ofA"/"Mass of solution"xx100=(2g)/("2g of A+18g of WATER")xx100=(2g)/(20g)xx100=10%`