50 grams of sodium chloride was dissolved in 200 grams of water. Calculate the mass fraction of sodium chlorine.

univerkov | January 17, 2021 | education

Given:
m (H2O) = 200 g
m in islands (NaCl) = 50 g
Find: w (NaCl)
Decision:
m solution (NaCl) = 200 g + 50 g = 250 g
w (NaCl) = m in-va / m solution = 50 g / 250 g = 0.2 * 100% = 20%
Answer: 20%

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