Q36. Find the density of an aqueous H₃PO₄ solution whose weight percent is 9.8 % and molarity is 1.25.
        (A) 1.25 g ml^-1  ​                                ​(B) 2.5 ​g ml^-1
        (C) 1.5 ​g ml^-1                          ​  ​        ​(D) 2 ​g ml^-1