0.5 g of fuming H2SO4 (oleum) is diluted with water. This solution is completely neutralised by 26.7 mL of 0.4 N NaOH. Find the percentage of free SO3 in the sample solution.

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Q. 0.5 of fuming

H_{2} {S O}_{4}

(oleum) is diluted with water. The solution is completely neutralised by 26.7 ml 0.4N

N a O H

. Find the percentage mass of

{S O}_{3}

in the sample of oleum.

0.5 g

of fuming

H_{2} S O_{4}

(oleum) is diluted with water. This solution is completely neutralised by

26.7 m l

0.4 N

N a O H

. The correct statement is/are:

0.5 g of fuming $H_{2} S O_{4}$ (oleum) is diluted with water. This solution is completely neutralised by 26.7 ml of 0.4 N NaOH. The percentage of free $S O_{3}$ in the sample is

0.5

g of fuming

H_{2} S O_{4}

(oleum) is diluted with water. The solution requires

26.7

mL of

0.4 N N a O H

for complete neutralization. Find the percentage of free

S O_{3}

in the sample of oleum.

0.5g of fuming H₂SO₄oleum is diluted with 100ml of water. This solution is completely neutralised by 26.7ml of 0.4N NaOH.

Find mass of SO₃and percentage of free SO₃ .

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