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Grade: 12th pass
        
Que no.
16
18
20
Plzzzzzzzzzzz.
..............................,...
2 months ago

Answers : (1)

Arun
22332 Points
							
19% w/v dilute nitric acid means 19 g of dilute nitric acid present in 100 ml of solution.
Mass of dilute nitric acid = 19 g
Volume of solution = 100 ml
69.8% w/v dilute nitric acid means 69.8 g of dilute nitric acid present in 100 ml of solution.
Mass of conc. nitric acid = 69.8 g
Volume of conc. nitric acid = 50 ml
The formula used for the relation between the volume and molarity is,
where,
 = mass of dilute nitric acid
 = mass of conc. nitric acid
 = volume of dilute nitric acid
 = volume of conc. nitric acid
V = volume of solution
m = molar mass of nitric acid
As per the question, the volume of solution and molar mass of nitric acid are same.
Now put all the given values in above formula, we get the volume of dilute nitric acid.
Therefore, the volume of dilute nitric acid is 183.684 ml.
 
 
2 months ago
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