In 40 grams of distilled water, 2 grams of sodium chloride was dissolved. Calculate the mass fraction
September 10, 2021 | education
| In 40 grams of distilled water, 2 grams of sodium chloride was dissolved. Calculate the mass fraction of salt in the resulting solution.
Given:
m (NaCl) = 2 g.
m (water) = 40 g.
Find: w-?
Solution:
w% = 2 * 100/42 = 4.76%
Answer: 4.76%
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