a solution is prepared by mixing 20g of sodium chloride in 80g of water what are the concentrations of the solute and solvent in % by mass
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Answer:
The answer is 20%.
Explanation:
The formula for percentage in mass/mass is given as below:
% percentage mass/mass = mass of solution (g)/mass of solution (g) x 100
Mass of solute = 20 g
Mass of solution = 20 + 80 = 100 g
% percentage mass/mass = 20g / 100 g x 100
% percentage mass/mass = 20 %
Hence the percentage of the concentration os solute and solvent by mass is 20 %.
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