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Concentrated nitric acid used in the lab...

Concentrated nitric acid used in the laboratory work is `68%` nitric acid by mass in aqueous solution. What should be the molaritiy of such a sample of the acid if the density of solution is `1.504 g mL^(-1)`?

A

`15.23`

B

`16.24`

C

`12.14`

D

`26.3`

Text Solution

Verified by Experts

The correct Answer is:
B
`100gHNO_(3)" solution "=68gHNO_(3)=1.08mol`
`:."Molarity"=("mole")/("volume in liter")=(1.08xx1000)/((100/1.504))=16.243M`
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