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31-01-2020
Chemistry

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A 3.60−g sample of a salt dissolves in 7.70 g of water to give a saturated solution at 21°C. What is the solubility (in g salt/100 g of H2O) of the salt?

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oeerivona oeerivona

01-02-2020

Answer:

The solubility of the salt is

46.75g salt/100g of H2O

Explanation:

If 7.70g of water can dissolve 3.60g at 21°C

That is 1.0g of water can dissolve (3.6÷7.7) grams of salt, that is 0.4675_g of salt at 21°C or 100 grams of water can dissolve 100×0.4675 = 46.75g

The solubility of the salt is

46.75g salt/100g of H2O

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