amandafroman
20.09.2020 •
Chemistry
Water is non combustible and insoluble in water
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Ответ:
Explanation:
The translation of the question is:
Specify how many grams of NH₄Cl, ammonium chloride, should be dissolved in 300g of water at 70ºC to obtain a saturated solution.
plz give it best
SolutionThe file attached shows the graph with the solubility curves for a number of solutes in water.
There, I show you the solubility of a solution of NH₄Cl at 70ºC: it is about 62g of NH₄Cl per 100 grams of water.
Then, the amount of NH₄Cl in 300g of water at that temperature is calculated using proportions:
300 g of water × 62 g of NH₄Cl / 100 g of water = 186 g of NH₄Cl