In order to calculate the final concentration of a dilution, it is important to memorise and remember the following equation:
C1V1/C2V2 Where: C1 = Initial concentration V1 = Initial volume C2 = Final concentration V2 = Final volume
We are given three of the four, and we are asked to calculate the final concentration in moles, so we may substitute these given values into our equation as follows:
The equation for this reaction: is indeed balanced.
Notice that the coefficient of is while that of is .
Therefore, each unit of this reaction would consume units of while producing units of . In other words, this reaction would produce three times as much as it consumes .
If all that of molecules are actually consumed through this reaction, three times as many molecules would be produced. That corresponds to of molecules.