Mole Fractions

suppose a hydrochloric acid solution contains 36 g of HCl and 64 g of H₂O.what is the mole fraction of HCl?

Incorrect

• 0.78

• b. 0.11

• c. 0.22

• d. 3.6

In a solution containing 2 moles of ethanol and 3 moles of water, what is the mole fraction of ethanol?

• 0.4

• 0.6

• 0.5

• 0.3

A mixture contains 1 mole of nitrogen gas and 4 moles of oxygen gas. What is the mole fraction of nitrogen gas in the mixture?

• 0.2

• 0.8

• 0.25

• 0.75

If a solution is made by dissolving 5 moles of glucose in 10 moles of water, what is the mole fraction of glucose?

• 0.33

• 0.67

• 0.5

• 0.2

In a gaseous mixture of 2 moles of hydrogen and 5 moles of helium, what is the mole fraction of hydrogen?

• 0.29

• 0.71

• 0.4

• 0.6

A solution is prepared by mixing 3 moles of acetic acid with 7 moles of water. What is the mole fraction of acetic acid?

• 0.3

• 0.7

• 0.4

• 0.5

In a mixture of 4 moles of carbon dioxide and 6 moles of nitrogen, what is the mole fraction of carbon dioxide?

• 0.4

• 0.6

• 0.5

• 0.3

A solution contains 2 moles of solute and 8 moles of solvent. What is the mole fraction of the solute?

• 0.2

• 0.8

• 0.25

• 0.75

In a mixture of 1 mole of argon and 9 moles of neon, what is the mole fraction of argon?

• 0.1

• 0.9

• 0.2

• 0.8

A solution is made by mixing 4 moles of sodium chloride with 16 moles of water. What is the mole fraction of sodium chloride?

• 0.2

• 0.8

• 0.25

• 0.75