help with chem separation

timer Asked: Oct 11th, 2015

Question description

I need help finding the % (by mass) of sample recovered as KNO 3

mass of 150 ml beaker + KNO3: 78.01 g

mass of kno 3 recovered: 10.77 g (? is this right)

and the last thing is the first question i need to figure out the calculation to. 

thank u

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