63 g `HNO_3` is in the dilute sulution of 200 mL `HNO_3` (Nitric acid). Find the molarity.

'25 mL' of '3.0 M HNO_3' are mixed with '75 mL' of 4.0M HNO3.if the volums are additive ,the molarity of the 'mixture is

Calculate the pH value of the following solution: A solution containing 0.315g of nitric acid in 500mL of solution.

Construct an ionic equation for the neutralisation of HNO_3 and KOH.

Ordinary strong solution of HCl, HNO_3 and H_2SO_4 contains roughly