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Answer: Option (c) is the correct answer.
Explanation:
A binary mixture is defined as the mixture which contains two components in the aqueous medium. The two components are solute and solvent.
And, volatility is defined as the ability of a liquid solution or substance to readily change into vapors.
For a binary solution the expression for relative volatility is as follows.
=
where, = relative volatility of more volatile component i
= vapor-liquid equilibrium concentration of component i in the vapor phase
= vapor-liquid equilibrium concentration of component i in the liquid phase
= vapor-liquid equilibrium concentration of component j in the vapor phase
= vapor-liquid equilibrium concentration of component j in the liquid phase
So, when > 1 then separation by distillation is easier in nature.
Thus, we can conclude that in order to separate the components of a binary mixture, the relative volatility should be greater than unity.
Correct answer: C) 3 eggs
The given recipe for preparing 100 brownies,
6 eggs + 5 cups flour + 2 sticks butter ----> 100 brownies
Assuming the number of each starting material/ product as the moles of each reactant/product. The mole ratios of the different reactants and product is:
;
;
We would need the mole ratio of eggs/brownies in order to find out the number of eggs required to prepare 50 brownies.