In the estimation of sulphur by Carius method, 0.468 g of an organic sulphur compound afforded 0.668 g of barium sulphate. Find out the percentage of sulphur in the given compound.

Solution

Mass of organic compound = 0.468g
Mass of barium sulphate= 0.668 g
Molecular mass of BaSO₄
= 137 + 32 + 64
= 233 g mol^-1
Now 233 g BaSO₄ contain 32g sulphur
$therefore space 0.668 straight g space BaSO subscript 4 space would space contain space space space space space space space space space space space space space space space space space space 32 over 233 cross times space 0.668 straight g space of space sulphur space space therefore space space Percentage space of space sulphur space equals space 32 over 233 cross times fraction numerator 0.668 over denominator 0.468 end fraction cross times 100 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 19.60 percent sign space space space space space space space space space space space space space space space space space space space space space space space space$

Some More Questions From Organic Chemistry – Some Basic Principles and Techniques Chapter

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Organic Chemistry – Some Basic Principles And Techniques

In the estimation of sulphur by Carius method, 0.468 g of an organic sulphur compound afforded 0.668 g of barium sulphate. Find out the percentage of sulphur in the given compound.

Some More Questions From Organic Chemistry – Some Basic Principles and Techniques Chapter

What are isomers?

How many chain isomers are possible for pentane?

Which characteristic is common to different isomers of a compound?

Name three alkanes which do not show chain isomerism.

Name the types of structural isomerism shown by alkanes.

Name the four main types of structural isomerism.

Write the three possible open chains of five carbon atoms

What types of structural isomerism is shown by the following pairs of organic compounds ?

Write the tautomer of acetaldehyde and write its IUPAC name.

Draw the structure of the tautomer of phenol and write its IUPAC name.

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