Equivalent weight of crystalline oxalic acid is ...........

What is the molar mass of the compound represented by the following structural formula?

The equivalent weight of a metal is $4.0$. The vapour density of its chloride is $59.25$. Its atomic weight is

Which of the following statements is correct about the equivalent weight of $KMnO_4$?

$A$ metal oxide contains $32\%$ oxygen by mass. Its equivalent mass is:

In order to prepare one litre of a $1 \ N$ (normal) solution of $KMnO_4$,how many grams of $KMnO_4$ are required if the solution is to be used in an acidic medium for oxidation?