In 150 g of water, 25 g of sodium chloride was dissolved. Determine the mass fraction of salt in the resulting solution.

univerkov | July 17, 2021 | education

Decision:
w (NaCl) = m (NaCl) / m (solution)
1.m (solution) = m (H2O) + m (NaCl) = 150 + 25 = 175 g
2.w (NaCl) = 25/175 = 0.1429
w (NaCl) -? Answer: w (NaCl) = 0.1429

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