50 gm of sample of sodium hydroxide required for complete neutralisation, 1 litre 1 N HCl. What is the percentage purity of NaOH is

50 gm of sample of sodium hydroxide required for complete neutralisati

1.	50 gm of sample of sodium hydroxide required for complete neutralisation, 1 litre 1 N HCl. What is the percentage purity of NaOH is
Answer» 50 60 70 80 Solution :`W = N XX GEW xx V` (in LIT) % of purity of `NaOH = (40)/(50) xx 100 = 80%`