# Chem 1

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How can you prepare 2M of 200 ml HNO3 solution from 63% stock solution of HNO3 which has a density of 1.4 g/ml?

• Chem 1 -

Calculate the molarity of the stock solution.
1.4 g/mL x 1000 mL x 0.63 x (1/molar mass HNO3) = ? M HNO3.
Then use the dilution formula of
c1v1 = c2v2
c = concn
v = volume

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