## How many grams of water are required to add to 200 g of 98% sulfuric acid solution for obtaining a solution with a mass fraction o

Question

How many grams of water are required to add to 200 g of 98% sulfuric acid solution for obtaining a solution with a mass fraction of acid 20%

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Mathematics
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2021-08-01T09:21:56+00:00
2021-08-01T09:21:56+00:00 1 Answers
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## Answers ( )

Answer:Explanation:20% = Mass fraction of 1/5 0r 0.5

98% of 200 g sulfuric acid = 196 g

Number and moles of sulphuric is 196/98 = 2 moles

0.5 = 2/ 2+x

1+0.5x = 2

0.5x = 1

X= 2

= 2 moles of water

2×18

= 36 grams of water