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April 20, 2014

Homework Help: Chemistry

Posted by Asuna on Sunday, October 16, 2011 at 11:48pm.

Hg2+ + 2Cl- → HgCl

Mercuric nitrate was standardized by titrating a solution containing 147.6 mg of NaCl(FM 58.44), which required 28.06 ml of Hg(No3)2 solution.

Part a: Find the molarity of Hg(No3)2.

I already calculated the molarity to be 0.04500 M

Part b: When the same Hg(No3)2 solution was used to titrate 2.00 mL of urine, 22.83 mL was required. What is theconcentration of Cl- (mg/mL) in urine.

I know the answer for part b is 36.42 mg/ml, but I'm not sure exactly how to get there...

Thanks.

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