1718 l of a 0.3556-m c3h7oh solution is diluted to a concentration of 0.1222 m, what is the volume of the resulting solution
1 answer:
Answer : The volume of the resulting solution will be 0.4999 L.
Explanation : As the two molar concentration of the
solution are given and one of the volume concentration needs to be found.
So, according to the formula :-
And here if we consider
as 0.1718 L moles and 
as 0.3556 moles then we need to find 
as 
is given as 0.1222 moles.
Hence on solving the formula we get,
= (0.1718 X 0.3556) / 0.1222 = 0.4999 L
Explanation : As the two molar concentration of the
So, according to the formula :-
And here if we consider
Hence on solving the formula we get,
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There is an error in the first sentence of the question; the right format is:
Suppose a 500.mL flask is filled with 1.9mol of NO3 and 1.6mol of NO2.
It should be NO2 and not NO.
Answer:
The equilibrium molarity of NO = 0.21695 m
Explanation:
Given that :
the volume = 500 mL = 0.500 m
number of moles of
number of moles of
Then we can calculate for their respectively concentrations as :
The chemical reaction can be written as:
The ICE table is as follows;
Initial 3.8 - 3.2
Change +x x -2x
Equilibrium 3.8+x +x 3.2 - 2x
Using quadratic formula;
=
= 0.21695 OR -3.7283
Going by the positive value;
x = 0.21695
= 4.01695 m
[NO] = x = 0.21695 m
= 3.41695 m