50 ml of an alkaline water sample requires 3.7 ml of 0.02 N HCL upto phenolphthalein end point and 4.5 ml of complete Neutralization. Find the type and amount of alkalinity in water sample.
The reaction is;
During incomplete neutralisation, the phenolphthalein concentration is;
However, during complete neutralisation, the final concentration of the alkali water is;
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