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(A) Calculate the molarity of commercially available concentrated nitric acid reagent given the following data: Molecular formula:...

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Chemistry

(A) Calculate the molarity of commercially availableconcentrated nitric acid reagent given the following data:

Molecular formula: HNO3

Molar mass = 63.01 g/mol

Purity/Reagent Concentrate: 70.9% (w/w)

Specific gravity @20 degrees Celsius = 1.423

(Hint: Using the specific gravity, calculate the mass of oneliter solution. Of this mass, only 70.9% is pure HNO3; theremainder being water).

(B) To make 212 mL of 0.15 M solution of nitric acid, whatvolume of the concentrated nitric acid will be needed?

Final answer: (A) Molarity of concentrated HNO3 = _ M. (B)Volume of conconcentrated HNO3 required = _ m

Answer & Explanation Solved by verified expert
4.3 Ratings (596 Votes)
Asuppose we take one litre of reagentthen mass of reagent volume of reagent density of reagentspecific gravity density of reagent density of waterdensity of reagent specific    See Answer
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