Molar Mass (g/mol) C (Carbon) 14 × 12.0107 = 168.1498 H (Hydrogen) 10 × 1.00794 = 10.0794 O (Oxygen) 4× 15.9994 = 63.9976 4. Sum Each Element's Mass Finally, add together the total mass of each element to get the molar mass of C14H8O2(OH)2: 168.1498 g/mol + 10.0794 g/...