Analytical Chemistry Homework; What is the pH of a solution that is saturated with Ni(OH)2, and also contains 5 mM potassium sulfate, 4.86 mM calcium nitrate?
1) A solution has been prepared and contains the chemicals below at their respective concentrations. What is the ionic strength of this solution?
• 5.03 mM potassium sulfate
• 8.72 mM potassium citrate
• 3.13 mM disodium citrate
• 5.18 mm sodium chloride
2) What is the pH of a solution that is saturated with Ni(OH)2, and also contains 5 mM potassium sulfate, 4.86 mM calcium nitrate?
3) A solution has been prepared to contain 3.78 mM calcium nitrate and 19.04 mM sodium nitrate. What is the maximum concentration of sodium fluoride that could be in this solution without causing calcium fluoride to precipitate?
4) What is the pH of a solution containing 23.29 mM lithium cyanide, 9.05 mM calcium nitrate, and 34.02 mM hydrogen cyanide?
5) What is the pH of a solution that contains 23.04 mM lithium nitrate and 9.56 mM sodium carbonate?
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