In what mass ratios is it necessary to mix sodium chloride with water in order to obtain a solution

univerkov | September 19, 2021 | education

In what mass ratios is it necessary to mix sodium chloride with water in order to obtain a solution with a mass fraction of salt of 10%

We are told that the mass fraction of salt in the solution = 10%. Mass fraction of the entire solution = 100%, hence the mass fraction of water = 90%. Correct answer is 1: 9

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