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September 18, 2014

Homework Help: Chemistry

Posted by pem on Monday, April 12, 2010 at 4:49pm.

A .600 g sample of CaCO3 is disolve in concentrated HCl (12M). the solution was diluted to 250 mL in a volumetric flask to obtain a solution for standardizing the EDTA titrant.
1 What is the molarity of the Ca2+ (calcium ion) in the flask?
2 How many moles of Ca2+ are in a 25 mL aliquot of the solution in question 1?

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