If a person consumes wine with a 13% alcohol content, what volume (in ml) would

Question

If a person consumes wine with a 13% alcohol content, what volume (in ml) would he or she drink every day if their consumption was at the upper limit of %u2018moderate regular drinking%u2019 quoted in the Canadian research? (The effect was noticed in those regularly drinking between 2.5 g and 14.9 g of alcohol a day.

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Assume that one ml of alcohol has a mass of 0.789 g (or to put it another way, the density of alcohol is 0.789 g/ml). Round your answer to the nearest whole number.

Remember to show all of the workings of your calculations

Explanation / Answer

Say, the required volume of wine is x ml.
Alcohol in x ml wine is 13x/100 or 0.13x ml
mass of this alcohol is 0.13x*0.789

according to statement, this should be 14.9
or 0.13x*0.789=14.9
or x = 14.9/(0.13*0.789) = 145.267 ml

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