25 g of salt was dissolved in 325 g of water. The mass fraction of salt in the resulting solution is equal to ..

univerkov | September 9, 2021 | education

1. Let’s find the mass of the resulting solution by the formula:

m (solution) = m (water) + m (salt) = 325 + 25 = 350 g

2. Let’s calculate the mass fraction of salt in the solution by the formula:

w (solution) = m (salt) * 100% / m (solution) = 25 * 100/350 = 7.1%.

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