SOLUBILITY CURVE FOR POTASSIUM NITRATE
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(g/100g water) |
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12. Students collect solubility data for solid potassium nitrate in water at various temperatures. Graph their data and answer the following questions.
A) How many grams of potassium nitrate will dissolve in 100g of water at 30oC? At 35oC?
B) At what temperature will 40g of potassium nitrate dissolve in 100g of water to form a saturated solution?
C) At what temperature will 85g of potassium nitrate dissolve in 100g of water to form a saturated solution?
D) If 30g of potassium nitrate are dissolved in 100g of water at 18oC, is the solution saturated? Explain.