Solution weight – 250 grams Mass fraction – 15.2%. Find the mass of NaOH.

univerkov | December 9, 2020 | education

ω (NaOh) = m (substance) * 100% / m (solution) => m (substance) = ω * m (solution) / 100% m (substance) = 15.2 * 250/100 = 3800/100 = 38 (d)
Answer: m (Naoh) = 38g

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