What is mole fraction of alcohol?
Mole fraction of ethanol and water mixture is 0.25. Hence, percentage concentration of ethanol by weight of mixture is: A.
How do you find the mole fraction?
Formula Related to the Mole Fraction
Consider a solution that consists of two substances A and B, then the mole fraction of each substance is: Mole fraction of solute = (Moles of Solute) / (Total number of moles of the solutes and the solvent).
What is the mole fraction of ethanol C2H5OH in an aqueous solution?
Mole fraction of ethanol (C2H5OH) in ethanol – water system is 0.25 .
How do you find the mole fraction of ethanol?
Number of moles of component/ total number of moles in solution. Number of moles are calculated by the formula – weight / molecular weight. Hence, mole fraction of ethanol is 0.16.
What is the mole fraction of ethanol in spirit?
Now, from the number of moles we can calculate the mole fraction of ethanol. Therefore, the mole fraction of ethanol is $0.690$.
What is mole fraction class 12?
Class 12 Chemistry Solutions. Mole fraction. Mole fraction. Mole fraction can be defined as the ratio of number of moles of the component in the solution to the total number of moles of all components in the solution.
What is mole fraction class 11th?
Mole fraction of a particular component is defined as the number of moles of the same component of a solution to the total number of moles of all the constituents of the solution. Mole fraction is also known as the amount fraction. The expression of mole fraction of ith component in a solution is: xi=nintotal.
What is a mole fraction in chemistry?
: the ratio of the number of moles of one component of a solution or other mixture to the total number of moles representing all of the components.