A 30.00% (by mass) solution of #HNO_3# in water has a density of 1.18 g/cm^3 at 20°C. What is the molarity of #HNO_3# in the solution?
We are given that
How do we turn one t'other? Well, we need the density of the solution, which you have supplied,
So we work with a
But this molar quantity was dissolved in a
Now I happen to know that conc. nitric acid, which is commercially supplied as a