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One mole (mol) of ethanol (C2H60) has a mass of 46.0684 g.
How many moles of ethanol are in an 18.0 g sample?

Need to see how the calculation was done.

Respuesta :

Answer:

the number of moles of ethanol is 18 g sample is 0.390 mol

Explanation:

The computation of the  number of moles of ethanol is 18 g sample is shown below:

= Mass of ethanol sample ÷ molar mass of ethanol

= 18 g ÷ 46.064=84 g

= 0.390 mol

Hence, the number of moles of ethanol is 18 g sample is 0.390 mol