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Sagot :
Answer:
Mole percent of Ethanol = 0.5986 * 100 = 59.86%
Explanation:
Mole percent is the percentage of the total moles that is of a particular component.
We have to covert the ethanol and water to moles. This is given by the equation;
Number of moles = Mass / Molar mass
Ethanol;
Number of moles = 71 / 46.07 = 1.5411 mol
Water;
Number of moles = 18.6 / 18 = 1.033 mol
Total mol = 1.5411 mol + 1.033 mol = 2.5741 mol
Mole percent of Ethanol = Number of moles /(Ethanol) / Total moles * 100
Mole percent of Ethanol = 1.5411 mol / 2.5741 mol * 100
Mole percent of Ethanol = 0.5986 * 100 = 59.86%
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