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30 March, 15:20

How many grams of water are needed to add to 4.00 grams NaOH to create a 2.00% solution

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Answers (1)
  1. 30 March, 19:19
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    The answer to your question is 200 g

    Explanation:

    Data

    mass of water = ?

    mass of NaOH = 4 g

    concentration = 2 %

    Formula

    % mass = mass of solute/mass of solution x 100

    -Solve for mass of solution

    mass of solution = mass of solute / % mass x 100

    -Substitution

    mass of solution = 4 / 2 x 100

    -Simplification

    mass of solution = 2 x 100

    -Result

    mass of solution = 200 g
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