Concept explainers
(a)
Interpretation:
The density of the solution to be
Concept introduction:
Molar mass can be calculated by using following formula,
(a)

Explanation of Solution
Given,
An aqueous solution of
Unit conversion is given below,
Osmotic pressure is calculated as follows,
The molar mass of protein is
(b)
Interpretation:
Freezing point of the solution has to be calculated.
Concept introduction:
Freezing point can be calculated by using following formula,
(b)

Explanation of Solution
Freezing point is calculated as follows,
The freezing point is =
(c)
Interpretation:
For calculating molar mass of the large molecule, the best method with reason has to be given.
(c)

Explanation of Solution
In the colligative property, osmatic pressure method is the correct method for the calculating molar mass of the large molecule.
Because, the freezing point change is very small. Therefore, it is not possible to measure accurate value of molar mass of the large molecule.
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Chapter 5 Solutions
ACHIEVE/CHEMICAL PRINCIPLES ACCESS 2TERM
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