Impossible to answer as you did not list the make and model of this vehicle.
About 2 liters 68 US fluid ounces = 2.01100001 liters FYI: Google "Convert 68 ounces to liters"
68 mega liters = 68,000 cubic meters.
68 liters
.68 L
That is a lubricant, specially an oil for motor vehicles
67
Because kilograms is a measure of weight and liters is a measure of volume, the amount of kilograms in 68 liters depends on the density of the substance and the temperature. In order to find the conversion, you need to find the density of the substance in grams per centimeter cubed and divide the 68 kilograms by that density. For example, there are 68 liters of water in 68 kilograms of water at room temperature, because the density of liquid water is 1.
68%
There are 2.125 quarts per 68 fluid ounces.
= 68 liters
68
It should be enough air in the balloons to replace the water weighing more than 150lbs. It should be probably >68 Liters of air. Now you can calculate to distribute 68 liters of air in the balloons. :-)