50. Solving a chemistry problem
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22. What volume of a 10% solution of sodium carbonate with a density of 1.105 g / ml should be taken to prepare: a) 1 liter of a solution with a sodium carbonate titer of 0.005 g / ml; b) 1 liter of solution with sodium carbonate titer in hydrochloric acid equal to 0.003 g/ml?
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