Understanding Henry's Law and Related Concepts

What is the mole fraction of a component in a mixture if it occupies 3 out of 12 parts?

• 1/2

• 1/3

• 1/4

• 1/6

How does the concentration of a solution change if more solute is added to the same amount of solvent?

• It increases

• It decreases

• It remains the same

• It becomes zero

What happens to the pressure exerted by gas particles if the area of the container is reduced?

• Pressure becomes zero

• Pressure remains constant

• Pressure increases

• Pressure decreases

According to Henry's Law, what is the relationship between gas solubility and pressure?

• Exponentially related

• Unrelated

• Directly proportional

• Inversely proportional

What does the Henry's Law equation P = kH * X represent?

• Pressure is unrelated to mole fraction

• Pressure is directly proportional to mole fraction

• Pressure is inversely proportional to mole fraction

• Pressure is exponentially related to mole fraction

What factor does Henry's constant (kH) depend on?

• Temperature only

• Amount of solute

• Nature of gas and solvent

• Volume of solvent

If the Henry's constant for a gas is high, what can be inferred about its solubility?

• Solubility is high

• Solubility is zero

• Solubility is unaffected

• Solubility is low

In the numerical problem, what is the partial pressure of nitrogen gas exerted on the water surface?

• 4 ATM

• 5 ATM

• 2 ATM

• 3 ATM

What is the mole fraction of nitrogen gas in water according to the numerical problem?

• 4 x 10^-2

• 4 x 10^-5

• 4 x 10^-4

• 4 x 10^-3

How many moles of nitrogen gas dissolve in water in the numerical problem?

• 4 x 10^-5 moles

• 4 x 10^-4 moles

• 4 x 10^-3 moles

• 4 x 10^-2 moles