A gaseous mixture is composed of 20% CO₂, 40% O₂ and 40% N₂. Wha – McqOptions

MCQOPTIONS

1.	A gaseous mixture is composed of 20% CO₂, 40% O₂ and 40% N₂. What is the mass fraction of N₂?
A.	0.307
B.	0.416
C.	0.529
D.	0.784
Answer» B. 0.416

Discussion

No Comment Found

Related MCQs

A mixture contains 10% CO, 40% CO₂ and 50% H₂O, what is the mass percent of CO₂?
A mixture contains 80% of HCl and 20% H₂O by weight, what is the mole fraction of HCl?
If hydrogen is 14% by weight in CH₃(OH)x(NH₃)y, then what is the possible value of x*y?
A solution with density 1 g/cm³ has 98 grams of H₂SO₄ in 402 grams of water, what is the concentration of solution?
A compound contains 40% of Sulphur and 60% of Oxygen, what is the empirical formula of the compound?
The mole percent of H₂ and N₂ in a mixture is 50% each, what is the mass percentage of H₂?
What is the mole fraction of sodium with moles n in a solution with moles of solvent N?
Which of the following is not the unit of concentration?
What is the mass fraction of 4 moles of Sodium in 8 moles of Hydrogen chloride?
A mixture contains 20% CO₂, 30% SO₂ and 50% H₂O, what is the mass percent of CO₂?