20. Calculate the concentration of HNO3 in moles per litre in a sample which has density 1.41g/mol and mass percentage of HNO3 in it is 69%.

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Q. Calculate the concentration of nitric acid in moles per litre in a sample which has a density of

1.41 g

m L^{- 1}

and the mass per cent of nitric acid in it being

69

Calculate the concentration of nitric acid in mole per litre in a sample that has a density $1.41 g / m L$ and the mass percentage is 69%.

Calculate the concentration of nitric acid in moles per litre in a sample which has a density, 1.5 g per mL and the mass percent of nitric acid in it being 69%.

Q. Calculate the concentration of nitric acid in moles per litre in a sample which has a density

1.41 g {m L}^{- 1}

and the mass per cent of nitric acid in it being

69 %

Q. The molarity of

H N O_{3}

in a sample which has density 1.4 g/mL and mass percentage of 63% is (Molecular weight of

H N O_{3} = 63) .

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