NEET 2013 Chemistry question

How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M HNO ? The concentrated acid is 70 % HNO.

Answer: (1)

Solution

Moles of HNO needed mol. Mass of pure HNO g (molar mass of HNO = 63 g/mol). The concentrated acid is 70 % HNO by mass, so 100 g of

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Question ID VK-091348