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For the reaction: PbCl2(s)Pb2+(aq)+2Cl1(aq), what is Q when 5.6mL of 0.043M lead nitrate is added to 20mL of 0.022M sodium chloride? Ksp of lead chloride
For the reaction: PbCl2(s)Pb2+(aq)+2Cl1(aq), what is Q when 5.6mL of 0.043M lead nitrate is added to 20mL of 0.022M sodium chloride? Ksp of lead chloride is 1.6105M3. Hint given in general feedback Answer: Remember each solution is diluted by the other solution. The Ksp of aluminum phosphate is 9.81021M2. The Ksp of calcium phosphate is 1.31032M5. Sodium phosphate is added to a solution that contains aluminum nitrate and calcium chloride. Their concentrations, which are necessary to do this problem, are given in the next question. Which begins to precipitate first? Select one: a. Aluminum phosphate b. Calcium phosphate Sodium phosphate is added to a solution that contains 0.0048M aluminum nitrate and 0.026M calcium chloride. The concentration of the first ion to precipitate (either Al3+ or Ca2+ ) decreases as its precipitate forms. What is the concentration of this ion when the second ion begins to precipitate? Answer: Note that well over 99% of the first ion has precipitated before the second ion starts to precipitate
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