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2. A solution of calcium chloride was made by dissolving 2.77 grams in 100.0 mL

ID: 1079234 • Letter: 2

Question

2. A solution of calcium chloride was made by dissolving 2.77 grams in 100.0 mL of deionized water. This solution was labeled "Solution # 1 then made The following dilutions were 10.0 mL Solution #1 was diluted to 500.0 mL and labeled "Solution # 2". 5.0 mL of Solution # 2 was diluted to 125.00 mL and labeled "Solution # 3" 1.25 mL of Solution # 3 was diluted to 20.0 mL and labeled "Solution #4" What were the concentrations, in molarity, of solutions #1-4? How many the end of the serial dilution? a. b. micrograms of calcium chloride were present in 5.0 mL of solution # 4 at

Explanation / Answer

2. A solution of calcium chloride was made by dissolving 2.77 grams in 100.0 mL