Question

Sulphur combines with oxygen to form two oxide i.e so2 and so3. if 10g of sulphur is mixed with 12g of o2, what mass of so2 and so3 will be formed so that neither sulphur nor oxygen will be left at the end of the reaction

Answer 1

Answer is 12 and 10.

Explanation:

S + O2 ⇒ SO2

S + O2 ⇒ SO3

let mass of so2 ⇒ x

and mass of so3⇒ 22-x

From 1st equation ,

1 mol of so2 is formed by 1 mol of sulpher.

from 2nd equation,

1 mol of so3 is formed by 1 mol of sulpher.

mole of so2  + mole of so3  ⇒ mole of sulpher

$\frac{x}{64}$ +  $\frac{22-x}{80}$ = $\frac{10}{32}$

X = 12

∴ mass of so2 is  12 g

and mass of so3 is 10 g

Answer 2

Answer:

12g if SO2 and 10g of SO3

Explanation:

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