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# Composition Measures in Solutions Quiz

Created by
@HealthfulPluto

### What is the preferred measure of composition in a solution that does not depend on temperature or pressure?

• Mass fraction
• Volume fraction
• Molality (correct)
• Mole fraction
• ### In binary solutions, what term is used to refer to the component present in the largest amount?

• Mole ratio
• Volume ratio
• Solvent (correct)
• Solute
• ### What is the total moles of a mixture symbolized as?

• M = ∑(ni M̄ i )
• n = ∑ni (correct)
• Σni
• d(nM) = ∑(ni dM̄ i ) + ∑ (M̄ i dni)
• ### Which equation represents the total system property ( M ) in a mixture?

<p>M = ∑(ni M̄ i )</p> Signup and view all the answers

### What property does not depend on temperature or pressure in a solution?

<p>Mass fraction</p> Signup and view all the answers

### At a constant number of moles, what remains constant for a solution?

<p>Composition (x)</p> Signup and view all the answers

### What property is used to express the mixture property in the equation Mmix = ∑(xi M̄ i ) ?

<p>Mole fraction</p> Signup and view all the answers

### In the special case where volume is constant, what does Δ G(mix )=RT∑ xi ln xi simplify to?

<p>Δ G(mix )=RT∑ xi ln xi</p> Signup and view all the answers

### What is the new thermodynamic constant introduced to maintain simplicity in real gas mixtures?

<p>Fugacity (f)</p> Signup and view all the answers

### What does the equation μi (p,T)= μo i (T)+ RT ln fi (p) represent for real gas mixtures?

<p>Free energy change calculation</p> Signup and view all the answers

### Which property is used to calculate the change in thermodynamic property on mixing according to the given equations?

<p>Gibbs energy</p> Signup and view all the answers

### Dalton's Law relates the total pressure of a gas mixture to which of the following properties?

<p>Mole fraction</p> Signup and view all the answers

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