Interpretation : The mole fraction of
Concept Introduction : The molality and mole fraction are the two ways to express the percentage of solute to solvent particles.
The formula of the mole fraction is given as:
Here,
The formula of molality is given as:
Answer to Problem 78A
The mole fraction of
The molality of
Explanation of Solution
The given mass of
The given mass of water is
The molar mass of
The molar mass of water is
The formula to calculate the moles is given as:
To calculate the moles of
To calculate the moles of water, substitute the values in equation (1).
The formula of the mole fraction of
To calculate the mole fraction of
The mole fraction of
The formula of molality is given as
To calculate the molality of
The molality of
Chapter 16 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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