Chemistry

A saline solution with a mass of 400 g has 30 g of NaCl dissolved in it. What is the mass/mass percent concentration of the solution?

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asked by Sabrina
  1. (g solute/g solution)*100 = % mass/mass

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    posted by DrBob222
  2. @DrBoB222 30 / 400 * 100

    0,75% ??

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    posted by Sabrina

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