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April 20, 2014

Homework Help: Chemisty

Posted by Jenn on Sunday, November 20, 2011 at 8:22pm.

What is the molarity of the hydrochloric acid solution used if 25mL of it reacted with excess calcium carbonate to produce 5.3g of calcium chloride?

CaCo3(s) + 2HCl(aq)---> CaCl2(aq) + CO2(g) + H2O(l)

I am really confused on even what this question is asking..any help would be greatly appreciated.

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