20 g of salt was dissolved in 80 g of water. What is the mass fraction of salt in the resulting solution.
| September 22, 2021 | education
1. Let’s find the mass of the formed salt solution by the formula:
m (solution) = m (water) + m (salt) = 80 g + 20 g = 100 g
2. Let’s calculate the mass fraction of salt in the resulting solution by the formula:
w (solution) = m (salt) * 100% / m (solution) = 20 g * 100% / 100 g = 20%.
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