Ethanol (density = 0.789 g/ml) combusts and produces 34.8 g h2o. what was the original volume of the ethanol?

Answer : The original volume of the ethanol is 37.5 mL

Explanation :

The balance chemical reaction will be,

First we have to calculate the moles of .

Now we have to calculate the moles of ethanol.

From the balanced reaction we conclude that,

As, 3 moles of produce from 1 mole of ethanol

So, 1.93 moles of produce from mole of ethanol

Now we have to calculate the mass of ethanol.

Now we have to calculate the volume of ethanol.

Therefore, the original volume of the ethanol is 37.5 mL

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