POSTLABORATORY ASSIGNMENT Using your solubility curve for the unknow salt, deter

Question

POSTLABORATORY ASSIGNMENT Using your solubility curve for the unknow salt, determine the maximum mass (in gram) of the unknow can be dissolved in 100 g of water at the following temperatures: 1. a) 35°c b) 600C c) 700c 2. Using your solubility curve for the unknown salt, predict whether the following solutions of the unknown salt would be considered saturated, unsaturated or supersaturated: b) 60 g of unknow salv100 g of water at 50oc c) 75 g of unknow salu/100 g of water at 650C 3. According to your solubility curve for the unknow salt, how is solubility of the unknown salt affected by an increase in temperature of the solvent?

Explanation / Answer

1)

a) 35°C : 62g

b) 60°C: 101g

c) 70°C: 112g

2)

a) supersaturated

b) unsaturated

c) unsaturated

3)

Solubility is increasing while increasing the temperature of solvent.

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