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Calculate the ph of a buffer solution prepared by

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1. Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of sodium cyanate(NaCNO) and 1.0 mole of cyanic acid (HCNO) in enough water to make 1.0 liter of solution.[Ka(HCNO) = 2.0 × 10-4]

2. The solubility of lead(II) iodide is 0.064 g/100 mL at20ºC. What is the solubility product for lead(II) iodide?

Reference no: EM13638507

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