This calculator calculates the percentage of calcium using volume of kmno4, normality of kmno4, sample weight values.
Formula:
Percentage of Calcium = ( Volume of KMnO4 x Normality of KMnO4 x 250 x 100 x 20) / (Sample Weight x 25 x 1000)
Where,KMnO4 = Potassium Permanganate