Question

Number of oxalic acid molecules in 100 ml of 0.02N oxalic acid are

Answer 1

Here N=0.02 & as oxalic acid is a dibasic acid so it will have a badicity of 2. M=0.02÷2=0.01.
Molarity=no of moles × volume(lit)
M=0.01×0.1=0.001moles.