Calculate Mass Percent: HNO3 in Sample

  • #1
Ki-nana18
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Homework Statement


A sample conaining both HCl and HNO3 had a density of 1.083g/ml. A 43.00 ml amount of this sample required 29.09 ml of 0.2828 M NaOH for titration. Another 43.00 ml amount of this sample required 7.88 ml of 0.1505 M AgNO3 for titration. Calculate the mass percent of HNO3 (molar mass = 63.018 g/mol) in the sample.


Homework Equations





The Attempt at a Solution


I know that you have to calculate the total number of mols of acid, but I'm not where to even start to do that.
 
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  • #2
Start with writing all reaction equations. Three of them.
 
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