40 grams of salt was dissolved in 360 g of water. Calculate the mass fraction of the solute in the resulting solution.
| September 18, 2021 | education
Given:
m (water) = 360 g
m (salt) = 40 g
Find:
ω (salt) -?
Solution:
1) m solution (salt) = m (salt) + m (water) = 40 + 360 = 400 g;
2) ω (salt) = m (salt) * 100% / m solution (salt) = 40 * 100% / 400 = 10%.
Answer: The mass fraction of salt is 10%.
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