" 9.Equivalent weight of crystalline oxalic acid is "

Equivalent weight of dehydrated oxalic acid is

Equivalent weight of hydrated oxialic acid is

The equivalent mass of crystalline oxalic acid ( H_(2) C_(2) O_(4) . 2H_(2) O ) is equal to the equivalent weight of -

Find the normality of oxalic and solution containing 63 g of crystalline oxalic acid in 500 ml of solution.