Answer:
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Explanation:
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Answer:- 47.62 mL
Solution:- It is a dilution problem where we are asked to calculate the volume of 15.75 M perchloric acid solution required to make 500.0 mL of 1.500 M solution.
For solving this type of problems we use the dilution equation:

Where,
is the concentration of the concentrated solution and
is it's volume.
is the concentration of the diluted solution and
is it's volume. Let's plug in the values in the equation and solve it for
.

On rearranging this for
:


So, 47.62 mL of 15.75 M perchloric acid are required to make 500.0mL of 1.500 M solution.
Answer:
The answer is "0.35".
Explanation:
please find the complete question in the attached file.
Mass of 

Molar mass of

No of moles in

Mass of water 

The molar mass of water 

moles of water
:

Molfraction of acetic acid:
