Methane gas is expanded from an initial volume of 20.5 L at 0.92 atm at 23oC to a final volume of 34.6 L. During the expansion t
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Answer:
Explanation:
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In this case, according to the chemical reaction by which HBr reacts with Ba(OH)2:
We can see there is a 2:1 mole ratio between the acid and the base; thus, at the equivalent point we can write:
Therefore, for is to compute the volume of the used base, we proceed as shown below:
And we plug in to obtain:
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Answer:
C
Explanation:
You can see in the chemical equation that 7 are used up to produce 6