At 80 gr. water was dissolved in 20 grams of sugar. What is the mass fraction of sugar in the resulting solution?

univerkov | May 11, 2021 | education

Let’s find the mass of the resulting solution after dissolving the sugar.
m (solution) = m (H2O) + m (sugar) = 80 g + 20 g = 100 g.
The mass fraction of sugar in the solution is.
W (sugar) = m (sugar) / m (solution) • 100% = 20 g / 100 g • 100% = 20%.

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