chem II - 1) What is the maximum amount of sodium sulfate...

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1 ) What is the maximum amount of sodium sulfate that can be added to 1.00 L of 0.0020 M Ca(NO 3 ) 2 before precipitation of calcium sulfate begins? K sp = 2.4 × 10 - 5 for calcium sulfate 4.9 × 10 -3 mol 1.2 × 10 -5 mol 1.2 × 10 -2 mol 4.8 × 10 -8 mol 3.5 × 10 -3 mol 2 ) Calculate the solubility of barium carbonate, BaCO 3 , in pure water. K sp = 2.0 × 10 - 9 1.3 × 10 -3 M 2.2 × 10 -5 M 4.5 × 10 -5 M 4.0 × 10 -18 M 3.2 × 10 -5 M 3 ) Which of the following substances has the greatest solubility in water? (1pt) Ba(IO 3 ) 2 , K sp = 1.5 × 10 -9 CuCl, K sp = 1.9 × 10 -7 PbF 2 , K sp = 3.6 × 10 -8 CdS, K sp = 1.0 × 10 -24 SrSO 4 , K sp = 3.2 × 10 -7 4 ) The solubility of calcium chromate is 1.56 × 10 -3 g/100 mL of solution. What is the K sp for CaCrO 4 ? 1.5 × 10 -5 1.0 × 10 -8 < 1.0 × 10 -8 7.6 × 10 -6 2.4 × 10 -4 5 )
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Which reagent would be used to separate Ag + ( aq ) (ion group 1) from Cu 2+ ( aq ) (ion group 2) in a standard qualitative analysis scheme? 6 M NH 3 6 M HCl 2.0 M NaOH (NH 4 ) 2 HPO 4 H 2 S at pH = 0.5 6 ) A lab technician adds 0.20 mol of NaF to 1.00 L of 0.35 M cadmium nitrate, Cd(NO 3 ) 2 . Which of the following statements is correct? K sp = 6.44 × 10 -3 for CdF 2 The solubility of cadmium fluoride is increased by the presence of additional
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chem II - 1) What is the maximum amount of sodium sulfate...

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