Calculate how much salt and water you need to take to prepare 190 grams of an 18% solution.

univerkov | December 6, 2020 | education

m (in-va) (NaCl) = ω% ÷ m (solution) = 18% * 100 ÷ 190g = 9.47g.
m (H₂O) = m (solution) – m (NaCl) = 190g. – 9.47g = 180.53g.
Answer: for cooking 190g. 18% solution must be taken 180.53 g. H2O and 9.47g NaOH

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