How many g of salt is contained in 520 g of 18% nacl solution.

Answer: 93.6 g.
Explanation of the solution to the problem: to solve this problem, you must use the following formula:
m (solution in-va) = m (solution) * w, where m (solution in-va) is the mass of the solute in grams, m (solution) is the mass of the solution in grams and w is the mass fraction solute in solution (in fractions). Substitute the values known from the condition and get:
m (solution in-va) = m (solution) * w = 520 * 0.18 = 93.6 g.

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