40ml of x M kMnO4 solution is required to react completely with 200ml of 0.02M oxalic acid solution in acidic medium. The value of x is
"Molarity= moles\/litre"
40ml = 40g
Moles= 40/158= 0.253moles
X= 0.253/1000
X= 2.5× 10-4 M
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