47. Oxalic acid, H2C2O4, occurs as the potassium or calcium salt in many plants, including rhubarb and spinach. An aqueous solution of oxalic acid is 0.585 m H2C2O4. The density of the solution is 1.022 g/mL. What is the molar concentration? The molar mass of oxalic acid is 90.0 g/mol. A) 0.572 MB) 0.598 MC) 0.568 MD) 5.98*10-4 M E) none of these   ANSWER IS B.) 0.598M please explain why not C.

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