Physics, asked by harendrasirari123, 7 months ago

Calculate the concentration of nitric acid in moles per litre in a sample which has a density 1.4 gram perml and mass percent of nitric acid in it being 69% ​

Answers

Answered by raotd
0

Answer:The density  of the solution is 1.41 g/mL.

1000 g of the solution will have a volume =  

Density

Mass

​  

=  

1.41

1000

​  

=709 ml.

The mass per cent of nitric acid is 69%.

1000 g of the solution will have 1000×  

100

69

​  

=690 g of nitric acid.

The molarity of solution is  

Molar mass of nitric acid ×Volume of solution

Mass of nitric acid

​  

=  

63×709

690

​  

=0.0155 M.

Explanation:

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