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Grade: 11
        
Respected sir,
Qn. Given,6 M HCN in 1ltr solotion of water , Find density in g/cc.
If DENSITY is  expressed a D how 1000D has 6 moles HCN?Pls explain how 1000 D we get?
 
Thank you
one year ago

Answers : (2)

sid
10 Points
							
 

Mass percent of nitric acid in the sample = 69 % [Given]

Thus, 100 g of nitric acid contains 69 g of nitric acid by mass.

Molar mass of nitric acid (HNO3)

= {1 + 14 + 3(16)} g mol–1

= 1 + 14 + 48

= 63 g mol–1

∴ Number of moles in 69 g of HNO3

 

Volume of 100g of nitric acid solution

 

Concentration of nitric acid

 

∴Concentration of nitric acid = 15.44 mol/LMass percent of nitric acid in the sample = 69 % [Given]
one year ago
KINSUK DE
13 Points
							
This is some other answer to some other problem.Pls give a different answer.This is some other answer to some other problem.Pls give a different answer.
one year ago
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