What is ratio by mass of caustic soda
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Answer:
Very simple. Add all the molar masses of what composes sodium hydroxide (NaOH) Na x 1 = 22.989 g/mol. O x 1 = 15.999 g/mol. H x 1 = 1.008 g/mol
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For example, when a solution of NaOH and water with 1:2 mole ratio (52.6% NaOH by mass) is cooled, the monohydrate normally starts to crystallize (at about 22 °C) before the dihydrate. However, the solution can easily be supercooled down to −15 °C, at which point it may quickly crystallize as the dihydrate.
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