Some Basic Concepts Of Chemistry Question 58

Question: When burnt in air, 14.0 g mixture of carbon and sulphur gives a mixture of $ ~CO _2 $ and $ SO _2 $ in the volume ratio of 2:1, volume being measured at the same conditions of temperature and pressure moles of carbon in the mixture is

Options:

A) 0.75

B) 0.5

C) 0.40

D) 0.25

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Let weight of C be xg, then S will be $ ( 14-x )g $ $ \frac{x/12}{( 14-x )/32}=\frac{2}{1} $
$ \therefore x=6g $ ; Moles of $ C=\frac{6}{12}=0.5 $



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