Question

Solubility of sodium chloride in100g water at room temperature is 35.7g 38.7g 32.7g 36.7g
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Answer 1

Explanation:

You can determine how many grams of sodium chloride, commonly known as table salt, can be dissolved in 100 g of water at 80∘C by taking a look at its solubility graph.

A substance's solubility graph tells you how its solubility changes, let's say starting from room temperature, when temperature is either decreased or increased.



Solubility Diagram

As you can see, at room temperature sodium chloride has a solubility of approximately 35 g/100 g H2O. As temperature increases, its solubility increasesas well. Notice, however, that it does not increase significantly. In fact, you can expect to be able to dissolve no more than 40 g of sodium chloride per 100 g of water at 80∘C.So, at 80∘C, you will ahve an unsaturated solution if you dissolve less than 40 g of sodium chloride, and a saturated solution if you dissolve about 40 g of sodium chloride.

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