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  • 30 g of gaseous   are mixed with 20g of carbon Mo

30 g of gaseous \mathrm{C}_2 \mathrm{H}_6  are mixed with 20g of carbon Monoxide.
The bressure of Resulting gaseous mixture is 1.6 atm. the Partial pressure in Atm. of \mathrm{C}_2 \mathrm{H}_6  in the mixture -

Option: 1

44


Option: 2

0.9


Option: 3

22


Option: 4

2


Answers (1)

best_answer

\text { Mole of } \mathrm{C}_2 \mathrm{H}_6=\frac{30}{32}=.9 \mathrm{Mol}

\text { Mole of } 10=\frac{20}{28}=.7 \text { mole }

\text { Mole fraction } \mathrm{C}_2 \mathrm{H}_6=\frac{.9}{.9+.7}=\frac{.9}{1.6}

\text { Partial pressure of } \mathrm{C}_2 \mathrm{H}_6=P_{\text {total }} \times \text { Mole fraction of } \mathrm{C}_2 \mathrm{H}_6

=1.6 \times \frac{.9}{1.6}=.9 \mathrm{atm}

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vinayak

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