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April 23, 2014

Homework Help: Chemistry

Posted by Mike on Monday, November 14, 2011 at 12:31am.

A 23.596 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 79.504 g of water. A 13.803 g aliquot of this solution is then titrated with 0.1098 M HCl. It required 29.02 ml of the HCl solution to reac the methyl red endpoint. Calculate the weight percent NH3 in the aqueous waste.

HCl + NH3 ---> NH4^+ +Cl^-

I have to find the moles of hcl consumed , convert them to moles of NH3 and then convert that to grams of NH3 but i really dont know how to do each one of these steps. Help?

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