A solution of 250 grams contains some solute in it and mass percentage of the solution is 20%. Calculate the mass of solute.

Define mass percentage solution.

A solution contains 50 g of common salt in 150 g of water. Mass percentage of solution is

Write the formula to find the mass percentage of a solution.

Mass by mass percentage of a solution = ..........

A solution is prepared by adding 4g of a solute A to 36 of water. Calculate the mass percent of the solute.

A solution is obtained by mixing 300g of 25% solution and 400g of 40% solution by mass. Calculate the mass percentage of the resulting solution.

Define mass percentage, volume percentage and mass to volume percentage solutions.

7g of a solute are dissolved in 200 g of a solvent (mol. Wt. 78) to prepare a solution. At a certain temperature dry air is sent into a solution and solvent continuously. The loss is weights of containers containing solutions and solvent are 0.975 g and 0.025 g. Calculate the molar mass of solute.

A 20% (W/W) solution of NaOH is 5 M. The dens of the solution is