Calculate the mass of sulfuric acid contained in 200 g of a solution with a mass fraction of 7%

There is a formula for calculating the mass fraction of a substance in a solution: w = mw-va / mr-ra, to find the fraction as a percentage, you need to multiply by 100%. From this formula we express the mass of the substance m in-va = w * m solution. Let us find the mass of the sulfuric acid substance in its solution m in-va = 0.07 * 200 g = 14 g.
Answer: the mass of sulfuric acid in a solution is 14 g.



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