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September 23, 2014

Homework Help: math

Posted by Fai on Saturday, December 7, 2013 at 9:25pm.

1.64g of a mixture of cac03 and mgc03 was dissolved in 50ml of 0.8M hcl. The excess of acid required 16ml of 0.25M naoh for neutralization. Calculate the percentage of cac03 and mgco3.

The right answer mgc03 52.02%
caco 47.98%

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