A 100g solution contains 80g solvent. Concentration of the solution is 8%(m/m). What amount of solute is dissolved in the solvent?
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Multiply the concentration (0.5 mols/Liters) by the volume of solution you want (0.5 Liters) to find the moles of NaCl you need. 2. Multiply the moles of NaCl by its molar mass (58.44 g/mol) to find the grams of solute needed. Making a solution of a certain concentration from a stock solution is called a dilution.
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20 g solute is dissolved in the solution.
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