2483g sample of NaOH was dissolved in water to get 250ml of the solution. 18.8ml of 0.105N HCl solution were used for the titration of the 20ml of the prepared solution. Calculate the mass percentage of the alkali in sample.
"Mass %={(RAM of the element\u00d7no of atoms in the element.) \u00f7(relative formula of the compound)} \u00d7 100"% = 76.59%
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