Chapter 13

Chapter 13 - V25.0102.051/052 Name_ Lots of Chapter 13...

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V25.0102.051/052 Name____________________ Jessica Amenta jessica.amenta@nyu.edu Lots of Chapter 13 Problems 1. Calculate the concentrations of all ions present in the strong electrolytes: a. 0.100 mol Ca(NO 3 ) 2 in 100.0 mL of solution b. 2.5 mol of Na 2 SO 4 in 1.25 L of solution c. 5.00 g of NH 4 Cl in 500.0 mL of solution d. 1.00 g of K 3 PO 4 in 250.0 mL of solution 2. A solution contains 1.06×10 -3 M Ca(NO 3 ) 2 a. Determine the Molar concentrations of calcium cations and nitrate anions b. Determine the mass in grams of Ca 2+ in 1.0 mL of solution c. Determine how many nitrate ions are there in 1.0×10 -6 L of solution 1
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V25.0102.051/052 3. What factors cause one solute to be more strongly hydrated then another? For each of the following pairs, predict which substance would be more soluble in water. a. CH 3 CH 2 OH or CH 3 CH 2 CH 3 b. CHCl 3 or CCl 4 c. CH 3 CH 2 OH or CH 3 (CH 2 ) 14 CH 2 OH 4. The solubility of nitrogen in water is 8.21×10 -4 mol/L at 0 degrees Celsius when N 2 pressure above water is 0.790 atm. Calculate Henry’s law constant for N
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This note was uploaded on 09/19/2008 for the course CHEM 02 taught by Professor Halpin during the Spring '08 term at NYU.

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Chapter 13 - V25.0102.051/052 Name_ Lots of Chapter 13...

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