February 21, 2017

Homework Help: Chemistry

Posted by Neha on Sunday, July 10, 2011 at 9:42am.

2NaF + CaCl2 ¨ CaF2 + 2NaCl
An excess of 0.20 M NaF is used to precipitate the calcium ions from a
50.0 mL sample of a calcium chloride solution. What is the concentration
of the original calcium chloride solution?

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