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# Review

Ch 12 Review
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on 22 April 2010

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#### Transcript of Review

Chapter 12 Review 1. What is the solubility of NaNO at 10°C in 100mL of water 3 2. At what temperature could you dissolve 50g of KCl in 100mL of water 3. If we have a solution with 50 grams of NaCl completely dissolved in 100 mL of water at 45°C, is it considered saturated, unsaturated, or supersaturated. 4. What are 3 ways that we could speed up the rate at which a solute dissolves in a solvent 5. Determine if each glass is a solution, colloid or suspension and explain why 1 2 6. Lake water is a good example of which of the following Solution
Colloid
Suspension
Homogeneous 7. label the following as either an electrolyte or non-electrolyte
NaCl
CH4
CH3CH2OH
CaCl2 8. Determine the molarity of a solution prepared by dissolving 141.6g of citric acid, C3H5O(COOH)3 in water to a total solution volume of 3500.0mL 9. Determine the molarity of a solution of 28.0 g of NaCl in 2.0L of total solution. 10. What mass of Magnesium Bromide is required to prepare 720.0mL of of a 0.0939M solution 11.What is the molality of 71.5g of C H O dissolved in 525 g of hexane 18 32 2 12. what volume, in mL, of a 4.6M HCl solution contains 0.450 moles of HCl 13. If we start with a stock solution of that is 11M KNO3, how much would we used to make 715mL of a 5.1M KNO3 solution 14. What mass of CaCl should be dissolved in 590mL of water to make a 0.82m solution
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