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kumpel [21]
3 years ago
15

What is the total mass of kno3 that must be dissolved in 50. Grams of h2o at 60.°c to make a saturated solution?

Chemistry
1 answer:
Trava [24]3 years ago
6 0

Answer:

55 g

Explanation:

First, we have to look for the solubility of KNO₃ at 60°C, considering that the solubility is the maximum amount of solute that can be dissolved in 100 grams of solvent, that is, the concentration of a saturated solution.

The solubility of KNO₃ at 60°C is 110.0 g of KNO₃ per 100 g of water. The mass of KNO₃ that must be dissolved in 50 g of water to make a saturated solution is:

50 g H₂O × (110.0 g KNO₃/100 g H₂O) = 55 g KNO₃

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