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Answered 2010-11-04 18:00:12

Molarity (concentration ) = moles of solute/Liters of solution

250.0 ml = 0.250 liters

2.431 grams H2C2O4 * 2H2O ( 1mole cpd/ 126.068 grams)

= 0.01928 moles H2C2O4 * 2H2O

Molarity = 0.01928 moles cpd/0.250 liters

= 0.07712 Molarity

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