Calculate the mass of sodium chloride required to prepare 240g of a 2.5% salt solution.

univerkov | May 20, 2021 | education

Given:
m (NaCl) = 240g
w (NaCl) = 2/5% = 250
Decision:
w (NaCl) = m \ n (NaCl) => m = w * m (NaCl)
m = 250 * 240 = 0.06-6g
Answer: 6g

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