Salt with a mass of 15 g was dissolved in water weighing 110 g. The mass fraction of salt in the solution is?
| August 13, 2021 | education
Let’s calculate the mass fraction of salt in the solution:
w (salt in solution) = (m (salt) / m (solution)) * 100%.
The mass of the solution includes the mass of salt and the mass of water.
m (solution) = m (salt) + m (water).
w (salts in solution) = 15 / (15 + 110) * 100% = 15/125 * 100% = 12%.
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