nbsp-The density of the nitric acid solution which is 63

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Standard XII

Chemistry

Molarity

nbsp;The dens...

Question

The density of the nitric acid solution which is 63% by mass HNO3 is 1.41g/cc. What is the molarity of the solution?

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Solution

In 100 g of solution.
Mass of nitric acid = 63 g
Moles of nitric acid = 63/ molar mass of nitric acid = 63/63 = 1.
Volume of 1oo g solution = 100 x density = 100 x 1.41 = 141ml = 0.141 L
Molarity = moles of nitric acid/ volume of solution in liter.
= 1/0.141 =7.092M

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The density of the nitric acid solution which is 63% by mass HNO3 is 1.41g/cc. What is the molarity of the solution?

In 100 g of solution.Mass of nitric acid = 63 gMoles of nitric acid = 63/ molar mass of nitric acid = 63/63 = 1.Volume of 1oo g solution = 100 x density = 100 x 1.41 = 141ml = 0.141 LMolarity = moles of nitric acid/ volume of solution in liter.= 1/0.141 =7.092M

In 100 g of solution.
Mass of nitric acid = 63 g
Moles of nitric acid = 63/ molar mass of nitric acid = 63/63 = 1.
Volume of 1oo g solution = 100 x density = 100 x 1.41 = 141ml = 0.141 L
Molarity = moles of nitric acid/ volume of solution in liter.
= 1/0.141 =7.092M