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Questions and Answers
What is the mole fraction of a component defined as?
What is the mole fraction of a component defined as?
- Number of moles of the component divided by the total number of moles of all the components (correct)
- Total number of moles of all the components divided by the number of moles of the component
- Total number of moles of all the components minus the number of moles of the component
- Number of moles of the component multiplied by the total number of moles of all the components
In a binary mixture, if the number of moles of A and B are nA and nB respectively, what is the mole fraction of A?
In a binary mixture, if the number of moles of A and B are nA and nB respectively, what is the mole fraction of A?
- nB / nA
- nA / (nA + nB) (correct)
- nA + nB
- nA / nB
What is the sum of all the mole fractions in a given solution?
What is the sum of all the mole fractions in a given solution?
- 1 (correct)
- 0
- More than 1
- Less than 1
What is the unit of mole fraction?
What is the unit of mole fraction?
In a solution containing i number of components, how is the mole fraction of a component calculated?
In a solution containing i number of components, how is the mole fraction of a component calculated?
What is the mole fraction of ethylene glycol (C2H6O2) in a solution containing 20% of C2H6O2 by mass?
What is the mole fraction of ethylene glycol (C2H6O2) in a solution containing 20% of C2H6O2 by mass?
What is the mole fraction of glycol in a solution that contains 0.322 mol of glycol and 4.444 mol of water?
What is the mole fraction of glycol in a solution that contains 0.322 mol of glycol and 4.444 mol of water?
What is the mole fraction of water in a solution that contains 0.322 mol of glycol and 4.444 mol of water?
What is the mole fraction of water in a solution that contains 0.322 mol of glycol and 4.444 mol of water?
If the mole fraction of glycol is 0.068, what is the mole fraction of water in the same solution?
If the mole fraction of glycol is 0.068, what is the mole fraction of water in the same solution?
What is the relationship between the mole fraction of a component and the total number of moles of all components in a solution?
What is the relationship between the mole fraction of a component and the total number of moles of all components in a solution?
Can the mole fraction of a component be greater than 1?
Can the mole fraction of a component be greater than 1?
Why is the mole fraction of a component important in chemistry?
Why is the mole fraction of a component important in chemistry?
What is the mole fraction of benzene in vapour phase if 80 g of benzene is mixed with 100 g of toluene?
What is the mole fraction of benzene in vapour phase if 80 g of benzene is mixed with 100 g of toluene?
What is the proportion of oxygen in air by volume at 298 K?
What is the proportion of oxygen in air by volume at 298 K?
What is the Henry's law constant for oxygen at 298 K?
What is the Henry's law constant for oxygen at 298 K?
What is the i value of CaCl2?
What is the i value of CaCl2?
What is the total pressure of the air at 298 K?
What is the total pressure of the air at 298 K?
