The mass of salt obtained by evaporation of 300 g of a 15% salt solution is …
| September 1, 2021 | education
Let us determine the mass of the residue after evaporation of the salt solution.
m (salt) = W (salt) • m (solution) / 100% = 15% • 300 g / 100% = 45 g.
Answer: 45 g.
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