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How many grams grams of concentrated ...

How many grams grams of concentrated nitiric acid solution should be used to pepare 250 mL of 2.0 M `HNO_(3)` ? The concentrated acid is 70% `HNO_(3)`.

A

`45.0 g conc. HNO_(3)`

B

`90.0 g conc .HNO_(3)`

C

`70.0g conc . HNO_(3)`

D

`54.0 g conc HNO_(3) `

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The correct Answer is:
A
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