To carbonate of soda, the base.

When more than 0.23 cubic meter Distance Feet 0.3048 Meters per second Force Pounds force 4.488 Newtons Power British thermal units per hour Miles per hour 1.054 Kilojoules per hour 1.609 Kilometers Energy Kilowatthours 3.60 Megajoules Flow rate Cubic feet per minute 3.7854 Liters Weight Ounces 28.350 Grams Pounds 4536 Kilograms per hour 1.609 Kilometers per hour 1.609.