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A US Gallon of ethanol contains 3.785 liters and each liter weighs 0.789 kg. A Mole weight of ethanol is 46.06 g.
So...
Moles/gallon ethanol= (3.785 L)x(789g/L)/(46.06g/mole) = 63.84
Assuming you need to show how the units cancel out I've indicated what they are.
The answer is not quite correct in the real world as ethanol is produced at about 96% purity if not denatured. The 4% or so is water.
Added:
The last addition is correct and can be easily re-calculated knowing two things:
1. the density of 96% ethanol + 4% water is a bit higher: 799 g/L
2. 96% means 96% by volume (0.960 L per 1.00 Litre)
Newly calculated:
(0.960L/1.00L)(3.785 L)x(799g/L)/(46.06g/mole) = 63.03 mol ethanol in a gallon 96% alcohol
What else can I help you with?
How many ounces in a pint and how many ounces in a gallon?
Yes they are; A pint of beer, a gallon of petrol (Gasoline)
How many ounces are in a galloon?
One gallon = 128 ounces.
How many ounce many a gallon?
128 US ounces = 1 US gallon
How many full ounces are in a gallon?
1 US gallon = 128 fluid ounces
How many ounces equal half a gallon?
1 gallon = 128 fluid ounces 1/2 gallon = 64 fluid ounces
How many ounces in a us gallon of gasoline?
16 ounces
How many ounces are in a gallon of gasoline?
128 fluid ounces.
How many fluid ounces are in gasoline?
128 fl oz to a gallon of gasoline.
How many ounces in a pint and how many ounces in a gallon?
Yes they are; A pint of beer, a gallon of petrol (Gasoline)
How many ounces of 2 cycle oil goes into a gallon of gasoline?
It depends on the mixing ratio of gasoline / oil for the specific piece of equipment you will use the gas / oil mix. Most lawn equipment such as weed eaters and leaf blowers require a 32:1 mixture. Since 1 gallon of gasoline is 128 ounces, it is necessary to mix 128 ounces (or 1 US gallon) of gasoline to 4 ounces of 2 cycle oil to equal 32:1 ratio.
How many ounces of oil do you mix gallon of gas for a 501 ratio?
To mix oil with gasoline at a 50:1 ratio, you need 2.6 ounces of oil for every gallon of gas. This is calculated by dividing 128 ounces (the number of ounces in a gallon) by 50, which equals 2.56 ounces. Therefore, you would round it to approximately 2.6 ounces of oil per gallon of gas for a 50:1 mixture.
How many ounces are an a gallon?
128 ounces in a gallon.
What 50 to 1 fuel mixture?
It is 2.56 ounces of oil to a gallon of gasoline.
How many ounces are in a galloon?
One gallon = 128 ounces.
How many ounce many a gallon?
128 US ounces = 1 US gallon
How many ounces of 2 cycle oil do you mix with a gallon of gasoline to make a 40 to 1 ratio?
There is 128 oz in a liquid gallon so to achieve a 40 to 1 ratio you would add approximately 3.2 oz of 2 cycle oil to one gallon of gasoline.
How many full ounces are in a gallon?
1 US gallon = 128 fluid ounces
