135 grams of water was dissolved in 15 grams of salt. Calculate the mass fraction of the solute in the solution.
| February 8, 2021 | education
The mass fraction of a substance in a solution is considered as the ratio of the mass of a certain substance to the total mass of the solution. If we need to count it as a percentage, then we multiply it by 100%:
D% = Mv-va / M p-ra * 100%.
D% salt = 15: (15 + 135) * 100% = 10%.
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