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posted by Katie on Wednesday, April 3, 2013 at 9:51pm.
If a sample of HNO3 is found to contain 8.44 · 10-2 mol of N atoms how many moles of HNO3 molecules are present? Express your answer in scientific notation.
8.44E-2 mols N atoms must mean 8.44E-2 mols HNO3.
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