CHM131 quiz 6

CHM131 quiz 6 - Question 1 1 out of 1 points A 12.6 g...

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1 out of 1 points A 12.6 g sample of potassium sulfate is dissolved in 350.0 mL of solution. Calculate the molarity of this solution. Selected Answer: 0.207 M Correct Answer: 0.207 M Question 2 1 out of 1 points The balanced net ionic equation for precipitation of CaCO 3 when aqueous solutions of Li 2 CO 3 and CaCl 2 are mixed is ____________. Selected Answer: Ca 2+ (aq) + CO 3 2- (aq) --> CaCO 3 (s) Correct Answer: Ca 2+ (aq) + CO 3 2- (aq) --> CaCO 3 (s) Question 3 1 out of 1 points What volume of 18.0 M sulfuric acid is required to prepare 16.5 L of 0.126 M H 2 SO 4 ? Selected Answer: 0.116 L Correct Answer: 0.116 L Question 4 0 out of 1 points How many of the following salts are expected to be insoluble in water? sodium sulfide barium nitrate ammonium sulfate potassium phosphate (Reminder: look at both ions, if one ion is soluble and the other is slightly soluble then the state is (aq)) Selected Answer: 1 Correct Answer: none Question 5
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This note was uploaded on 04/20/2008 for the course CHM 131 taught by Professor Mcguirk during the Spring '08 term at Central Mich..

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CHM131 quiz 6 - Question 1 1 out of 1 points A 12.6 g...

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