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  • In the estimation of Sulphur by Carius Method, 0.468g of organic compound gave 668mg <img alt="\mathrm{BaSO _{4}}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmathrm%7BBaSO%20_%7B4

In the estimation of Sulphur by Carius Method, 0.468g of organic compound gave 668mg \mathrm{BaSO _{4}}. Calculate % S (Rounding off upto 1 decimal place).

Option: 1

19.6


Option: 2

21.7


Option: 3

17.9


Option: 4

16.9


Answers (1)

best_answer

As we have learnt,

Test for Sulphur -

\mathrm{\%\:of\:S=\frac{32\times m_{1}\times 100}{233\times m}}

   m_{1} = mass of \mathrm{BaSO_{4}}

    m = mass of Organic compound

Therefore, 

\mathrm{\% \ of \ S = \frac{32 \times 0.668 \times 100}{233 \times 0.468}= 19.6\%}

 

Posted by

chirag

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