How many moles of nitric acid are needed to make 2 liters of a solution of nitric acid in water with a molarity of 1?

0.5 moles

Explanation:

Nitric acid has a chemical formula of HNO3.

Given that:

Amount of moles of HNO3 = Z (let unknown value be Z)

Volume of HNO3 solution = 2L

Molarity of HCl solution = 1M

Recall that molarity of a solution is obtained by dividing the amount of moles by volume in liters

i.e Molarity = Amount in moles/volume

1M = Z x 2L

Z = (1M / 2L)

Z = 0.5 moles

Thus, 0.5 moles of nitric acid are needed to make 2 liters of its solution.

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