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1. For KNO3 the heat of solution is 23.8 kJ/mol and the lattice energy is -685.0...

1. For KNO3 the heat of solution is 23.8 kJ/mol and the lattice energy is -685.0 kJ/mol. Calculate the heat of hydration.

2. 60.3 g of zinc sulfate [ZnSO4], is added to 160. g of water. Will the salt dissolve completely and, if so, will the solution be saturated or unsaturated? The solubility of ZnSO4 is 3.57 m.

3. What volume of water, in mL, is needed to dissolve 2.2 mg of hydrogen gas when the partial pressure of hydrogen above the water is 2.2 atm at 25 °C? The Henry's constant for hydrogen gas in water at 25 °C is 7.8×10-4 M/atm.

PLEASE ANSWER ALL 3 QUESTIONS.

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queen_honey_blossom answered 8 months ago
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