Questions from General Chemistry


Q: Calculate the hydroxide ion concentration and the pH of a 0.

Calculate the hydroxide ion concentration and the pH of a 0.0150 M Ba1OH22 solution a. Neglecting activities. b. Using activities (see Chapter8).

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Q: Determination of phosphorous in blood serum gave results of 4.40

Determination of phosphorous in blood serum gave results of 4.40, 4.42, 4.60, 4.48, and 4.50 ppm P. Determine whether the 4.60 ppm result is an outlier or should be retained at the 95% confidence leve...

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Q: The hydrogen sulfide in a 40.0-g sample of

The hydrogen sulfide in a 40.0-g sample of crude petroleum was removed by distillation and collected in a solution of CdCl2. The precipitated CdS was then filtered, washed, and ignited to CdSO4. Calcu...

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Q: What is the mass in grams of a. 2.

What is the mass in grams of a. 2.25 mol of KBr? b. 15.5 mmol of PbO? c. 5.04 mol of CaSO4? d. 10.9 mmol of Fe (NH4)2(SO4)2.6H2O?

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Q: Calculate the pH of an aqueous solution that is a.

Calculate the pH of an aqueous solution that is a. b. c.

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Q: Calculate the pH of a solution that is a.

Calculate the pH of a solution that is a. b. c.

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Q: Calculate the pH of an ammonia solution that is a.

Calculate the pH of an ammonia solution that is a. b. c.

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Q: Calculate the pH of a solution that is a.

Calculate the pH of a solution that is a. b. c.

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Q: Calculate the pH of a solution in which the concentration of piperidine

Calculate the pH of a solution in which the concentration of piperidine is a. b. c.

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Q: Calculate the pH of a solution that is a.

Calculate the pH of a solution that is a. b. c.

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