The percentage of sulphur in $S O_{2}$ is and ___in $S O_{3}$ .

50%, 50%

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40%, 50%

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50%, 40%

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30%, 40%

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Solution

The correct option is D 50%, 40%
Atomic mass of $S = 32 g$
Atomic mass of $O = 16 g$
Percentage of sulphur in $S O_{2} = \frac{32 \times 100}{64} = 50 %$
Percentage of sulphur in $S O_{3} = \frac{32 \times 100}{80} = 40 %$

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The percentage of sulphur in SO2 is ________ and ___________in SO3.

The correct option is D 50%, 40%Atomic mass of S=32gAtomic mass of O=16gPercentage of sulphur in SO2=32×10064=50%Percentage of sulphur in SO3=32×10080=40%

The percentage of sulphur in $S O_{2}$ is and ___in $S O_{3}$ .

The correct option is D 50%, 40%
Atomic mass of $S = 32 g$
Atomic mass of $O = 16 g$
Percentage of sulphur in $S O_{2} = \frac{32 \times 100}{64} = 50 %$
Percentage of sulphur in $S O_{3} = \frac{32 \times 100}{80} = 40 %$