In 270 g of water, 30 g of salt is dissolved. Determine the mass fraction of salt in the solution.
| December 11, 2020 | education
Legend:
W – mass fraction
m – mass
Decision:
m (solution) = m (water) + m (salt) = 270 + 30 = 300 (g)
W (salt) = m (salt) / m (solution) times 100% = 30/300 times 100% = 10%
Answer: 10%
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