0.5 g of fuming H(2)SO(4) (oleum) is dil...

0.5 g of fuming `H_(2)SO_(4)` (oleum) is diluted with water. The solution requires 26.7 ml of 0.4 N NaOH for complete neutralization. Find the % of free `SO_(3)` in the sample of oleum.

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The correct Answer is:

0.2072

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1 g of oleum sample is dilute with water. The solution required 54 mL of 0.4 N NaOH for complete neutralization. Find the percentage of free SO_(3) in the sample?

Oleum is considered as a solution of SO_(3) in H_(2)SO_(4) , which is obtained by passing SO_(3) in solution of H_(2)SO_(4) When 100 g sample of oleum is diluted with desired mass of H_(2)O then the total mass of H_(2)SO_(4) obtained after dilution is known is known as % labelling in oleum. For example, a oleum bottle labelled as ' 019% H_(2)SO_(4) ' means the 109 g total mass of pure H_(2)SO_(4) will be formed when 100 g of oleum is diluted by 9 g of H_(2)O which combines with all the free SO_(3) present in oleum to form H_(2)SO_(4) as SO_(3)+H_(2)O to H_(2)SO_(4) 1 g of oleum sample is diluted with water. The solution required 54 mL of 0.4 N NaOH for complete neutralization. The % free SO_(3) in the sample is :

0.5 gm of fuming H_(2)SO_(4) (Oleum) is diluted with water. This solution is completely neutralised by 26.7 ml of 0.4 M NaOH solution. Calculate the percentage of free SO_(3) in the given sample. Give your answer excluding the decimal places.

0.5 g of fuming sulphuric acid (H_2SO_4+SO_3) , called oleum, is diluted with water. Thus solution completely neutralised 26.7 " mL of " 0.4 M NaOH . Find the percentage of free SO_3 in the sample solution.

2.0 g of oleum is diluted with water. The solution was then neutralised by 432.5 mL of 0.1 N NaOH . Select the correct statements:

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