The density in grams per litre of a mixture containing an equal number of moles of methane and ethane at STP is

Question

The density in grams per litre of a mixture containing an equal number of moles of methane and ethane at STP is (A) 1.03 (B) 1.10 (C) 0.94 (D) 1.20

Tardigrade Admin · Accepted Answer

Suppose 1 mole of each CH 4 and C 2 H 6 is there. Mass of gaseous mixture =16+30=46 g Volume of gaseous mixture =2 × 22.4=44.8 L Density =(46/44.8)=1.03 g / L

Q. The density in grams per litre of a mixture containing an equal number of moles of methane and ethane at STP is

1.03

1.10

0.94

1.20

Suppose 1 mole of each $C H_{4}$ and $C_{2} H_{6}$ is there.

Mass of gaseous mixture $= 16 + 30 = 46 g$

Volume of gaseous mixture $= 2 \times 22.4 = 44.8 L$

Density $= \frac{46}{44.8} = 1.03 g / L$

Q. The density in grams per litre of a mixture containing an equal number of moles of methane and ethane at STP is

1.03

1.10

0.94

1.20

Suppose 1 mole of each CH4​ and C2​H6​ is there. Mass of gaseous mixture =16+30=46g Volume of gaseous mixture =2×22.4=44.8L Density =44.846​=1.03g/L

Suppose 1 mole of each $C H_{4}$ and $C_{2} H_{6}$ is there.

Mass of gaseous mixture $= 16 + 30 = 46 g$

Volume of gaseous mixture $= 2 \times 22.4 = 44.8 L$

Density $= \frac{46}{44.8} = 1.03 g / L$