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30 June, 12:08

You need to prepare a sample containing 0.20 g of CuSo from a solution that is 10% Cuso, by mass. What mass of

solution do you need?

+1
Answers (1)
  1. 30 June, 13:17
    0
    Mass of solution = 2 g

    Explanation:

    Given dа ta:

    Mass of CuSO₄ = 0.20 g

    Percent by mass = 10%

    Mass of solution needed = ?

    Solution:

    Formula:

    Percent by mass = mass of solute / mass of solution * 100

    Now we will put the values.

    10 = 0.20 g / mass of solution * 100

    10 / 100 = 0.20 g / mass of solution

    0.1 = 0.20 g / mass of solution

    Mass of solution = 0.20 g / 0.1

    Mass of solution = 2 g
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