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Chemistry: Raoult's Law, Henry's Law Constant, and H2S Solubility

12 Questions

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Chemistry: Raoult's Law, Henry's Law Constant, and H2S Solubility

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Questions and Answers

What is the quantitative relationship given by Francois Marte Raoult?

Raoult’s law

What is used for the qualitative analysis of H2S, a toxic gas with a rotten egg like smell?

H2S

If the solubility of H2S in water at STP is 0.195 m, what should be calculated?

Henry’s law constant

What does Henry’s law constant for CO2 in water at 298 K equal to?

<p>1.67x10^8 Pa</p> Signup and view all the answers

What does Raoult's law state about the partial vapour pressure of each component in a solution?

<p>It is directly proportional to its mole fraction present in the solution.</p> Signup and view all the answers

How is the partial vapour pressure of component 1 related to its mole fraction in a solution?

<p>p1 = p1^0 * x1</p> Signup and view all the answers

What is the formula for total pressure over a solution according to Dalton's law of partial pressures?

<p>ptotal = p1 + p2</p> Signup and view all the answers

How can the total vapor pressure over a solution be related to the mole fraction of a component?

<p>Total vapor pressure varies linearly with the mole fraction of that component.</p> Signup and view all the answers

What happens to the total vapor pressure over a solution as the mole fraction of component 1 increases?

<p>Total vapor pressure over the solution decreases with an increase in the mole fraction of component 1.</p> Signup and view all the answers

What is the minimum value of the total pressure over a solution?

<p>p1 0</p> Signup and view all the answers

How does the composition of the vapor phase in equilibrium with the solution get determined?

<p>By the partial pressures of the components.</p> Signup and view all the answers

What type of plot is obtained when plotting ptotal versus x2 for a solution?

<p>A linear plot.</p> Signup and view all the answers

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Chemistry: Raoult's Law, Henry's Law Constant, and H2S Solubility

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