90 litres?
96.14945972 Liters
105.99153 liters ==
40 Liters
.76 kg per liter = 1.32 liters
About 8-10 liters.
16 US gallons = 60 liters 16 UK gallons = 72 liters
Of course, there are many sizes of gas tank.
227.125 Liters.
Approximately 65 liters.
Using the ideal gas law, at STP (standard temperature and pressure), 1 mole of gas occupies 22.4 liters. Therefore, a balloon with 560 liters at STP would contain 25 moles of gas (560 liters / 22.4 liters/mole).
A 5 gallon container will hold approximately 18.9 liters of gas.