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- 1. Multiple Choice
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?60 ºC30 ºC50 ºC83 ºC - 2. Multiple ChoiceHow many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?83 grams75 grams40 grams12 grams
- 3. Multiple ChoiceWhich substance is MOST soluble at 0 ºC?KINaNO3NaClCe2(SO4)3
- 4. Multiple ChoiceWhich solute is the most soluble at 10 ⁰C?KIKClO3NH4ClNH3
- 5. Multiple ChoiceWhich solute is the least soluble at 90 ⁰C?SO2KClO3KIHCl
- 6. Multiple ChoiceHow does a solution become supersaturated?dissolve lots of solvent in it.dissolve a little solute in it.dissolve more solute than you should be able to.dissolve a super amount of solvent in it.
- 7. Multiple ChoiceWhich solute does not increase in solubility as temperature rises?NH3NaNO3KNO3NaCl
- 8. Multiple ChoiceWhen 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:supersaturatedsaturatedunsaturated
- 9. Multiple ChoiceWhen 20 grams of KNO3 is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:supersaturatedsaturatedunsaturated
- 10. Multiple ChoiceWhen 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:supersaturatedunsaturatedsaturated
- 11. Multiple ChoiceWhen 42 grams of potassium chloride, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:supersaturatedsaturatedunsaturated
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