A solution is prepared by adding 2g of substance A to 18g of water. The mass percent of the solute.

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

A solution is prepared by adding 5g of a substance X to 18g of water. Calculate the mass percent of solute .

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

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

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