You cannot.
Grams per mole is a measure of concentration while a litre is a measure of volume. The two measure different things and, according to the basic rules of dimensional analysis, conversion from one to the other is not valid.
Alternatively
You might mean how to convert a gram-mole to litres. A gram-mole of gas (1 gram times the molecular weight) at standard temperature and pressure occupies 22.4 litres.
Multiply grams per liter by 0.001 to get grams per milliliter.
1 mole = 106 micromoles
To convert grams per milliliter to grams per liter, multiply by 1000. Therefore, 1.56 grams per milliliter is equal to 1560 grams per liter.
To convert milligrams per liter to grams per liter, divide by 1000. For example, 1000 mg/L is equal to 1 g/L.
divide by the molecular mass, (units of gram per mol)
The question is meaningless. No such thing as a cubic gram.
You have to know the concentration first. That will either be in grams per milliliter (or milligrams per milliliter), or it could be in moles per liter (molarity). If it's given in grams per milliliter, just multiply that number by 60 and multiply by 1000.If it's given in moles per liter, than first find how many moles in 60 mL by multiplying by 0.06, and then convert moles to grams using the molar mass of caffeine (194.19 grams per mole).See the Related Questions for how to convert moles to grams.
note: 1 miligrame=0.001gram 1dl(deciliter) = 0.1 liter to convert multiply 1000/10
Lets say, for example the enthalpy is equal to 1200 joules/gram. You take 1200 joules/gram * (# of grams)/one mole [now you can cancel grams and it is now joules/mole.] Then convert the answer to kilojoules by dividing by 1000.
Plug your numbers into this formula: mg per liter x 0.003785 = grams per US gallon210 mg per L x 0.003785 = about 0.794936 grams per US gallon.
Convert grams into moles. To do so, you divide mass by the molar mass of the substance.
(Micrograms per litre)/(gram molecular weight of solute) = (micromoles per litre).