# Determine the masses of water and salt that will be required to prepare 60 g of a solution with a 3% salt mass fraction

October 3, 2021 | education

| The mass of the solution is 60 grams;

To find the mass of salt, it is necessary to multiply its mass fraction by the mass of the solution.

m salt = 60 x 0.03 = 1.8 grams;

To find the mass of water, subtract the mass of salt from the mass of the solution:

m of water = 60 – 1.8 = 58.2 grams;

The density of water is 1 gram / cm3. To prepare this solution, you must measure 58.2 milliliters of water.

Check: 58.2 + 1.8 = 60;

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