Chap_15_HW_solutions

Chap_15_HW_solutions - Chapter 15 homework solutions

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CHAPTER 15 HOMEWORK SOLUTIONS 24. Calculate the pH of each of the following solutions. a. 0.100 M HONH 2 (K b = 1.1 x 10 -8 ) b. 0.100 M HONH 3 Cl c. pure H 2 O d. a mixture containing 0.100 M HONH 2 and 0.100 M HONH 3 Cl
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38. A buffered solution is made by adding 50.0 g of NH 4 Cl to 1.00 L of a 0.75 M solution of NH 3 . Calculate the pH of the final solution. (Assume no volume change.) 48. Which of the following mixtures would result in a buffered solution when 1.0 L of each of the two solutions are mixed? a. 0.2 M HNO 3 and 0.4 M NaNO 3 b. 0.2 M HNO 3 and 0.4 M HF c. 0.2 M HNO 3 and 0.4 M NaF d. 0.2 M HNO 3 and 0.4 M NaOH
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sp value for each solid. a. The solubility of Pb 3 (PO 4 ) 2 is 6.2 x 10 -12 mol/L. b. The solubility of Li 2 CO 3 is 7.4 x 10 -2 mol/L. 90. The K sp for silver sulfate (Ag 2 SO 4 ) is 1.2 x 10 -5 . Calculate the solubility of silver sulfate in each of the following. a. Pure water
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Chap_15_HW_solutions - Chapter 15 homework solutions

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