Question

Calculate the mass of sodium sulphate required to prepare its 20% (mass per cent) solution in 100 g of water.
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Answer 1

Answer:

Given that the mass percent of sodium sulphate solution is 20%. Let the mass of sodium sulphate which is required to prepare this solution be x grams. Given that the mass of water is 100 g. Thus, 25g of sodium sulphate is required

Answer 2

Answer:

Given that the mass percent of sodium sulphate solution is 20%. Let the mass of sodium sulphate which is required to prepare this solution be x grams. Given that the mass of water is 100 g. Thus, 25g of sodium sulphate is required.

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