Mixed 15 g of sulfuric acid and 25 g of water. Determine the mass fraction of sulfuric acid in the resulting solution.

univerkov | December 6, 2020 | education

The formula for finding the mass fraction of a substance:
W = m (solution) / m (solution) * 100%
m (solution) = m (solution in-va) + m (water) ⇒
W (H2SO4) = 15/15 + 25 = 15/40 = 0.375 or 37.5%

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