Question

Calculate the concentration of nitric acid in moles per litre in a sample which
has density 1.40 g mL and the mass percent of nitric acid in it being 699%
Molar mass of HNO, = 63 g mol!
​

Answer 1

Hi Bro

For such questions you need to use the formula

%×10×d/MM

So using it you get the answer to be

69×10×1. 41/63 = 15.44 mol/litre

Hope answers the question

Follow me for more answers