65. Solving a chemistry problem
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65. Solving a chemistry problem
530. A mixture of oxides of beryllium and magnesium weighing 0.3 g was dissolved in a 1 M solution of hydrochloric acid with a volume of 17 ml. The excess acid was neutralized with 0.5 M sodium hydroxide solution of 8 ml. Calculate the mass fractions of oxides in the mixture.
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