Imagine a moving boat making waves in the middle of a pool of water. Also, imagine two observers, one behind the boat and one in
1 answer:
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% composition of ethanol = 34.51%
% composition of water = 65.49%
<h3>What is density?</h3>A material's density is defined as its mass per unit volume.
Given data:
The density of ethanol = 0.7890 g/mL
The density of water = 0.9982 g/mL
The density of mixture = 0.926 g/mL
Let the % composition of ethanol = x
Let the % composition of water = 100-x
Now density of the mixture
%
Hence,
% composition of ethanol = 34.51%
% composition of water = 65.49%
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Answer:
0.40 L
Explanation:
Calculation of the moles of as:-
Mass = 51.24 g
Molar mass of = 171.34 g/mol
The formula for the calculation of moles is shown below:
Thus,
Volume = 1.20 L
The expression for the molarity is:
Thus,
Considering
Given that:
So,
<u>The volume of 0.24925M stock solution added = 0.40 L </u>