Thursday
April 24, 2014

Homework Help: AP Chem

Posted by Anna on Monday, November 3, 2008 at 8:08pm.

An aqueous solution contains 4.50 g of calcium chloride, CaCl2, per liter. What is the molarity of CaCl2? When calcium chloride dissolves in water, the calcium ions, Ca^+2, and chloride ions, Cl^-, in the crystal go into the solution. What is the molar concentration of each ion in the solution?

I got .0450 M CaCl2. I'm pretty sure that is right, but I don't understand what it means by how to find the molarity of each ion.

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