how do you do this question An aqueous solution of calcium chloride contains 2 grams

QuestionsCategory: sciencehow do you do this question An aqueous solution of calcium chloride contains 2 grams
Glen Morales asked 12 months ago
how do you do this question

An aqueous solution of calcium chloride contains 2 grams of calcium chloride ( molar mass 110.98 g mol-1)
in 100 ml calculate the concentration of chloride ion (Cl-) in the solution

1 Answers
Glen Morales answered 12 months ago
2 g CaCl2 is how many moles?
2 g/molar mass CaCl2 = ?? moles.
M = moles/L = ??moles/0.100 L (that's the 100 mL).
M Cl^- is twice that of the CaCl2 since there are two moles Cl^- per mole CaCl2.
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