The density of water is 1000 kg/m3 , which is the same as 1 kg/L. So 1 liter of water weighs 1 kg.
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Not true because a kilogram is a measure of mass - NOT of weight. The mass of one litre of water is approx 1 kilogram and ON THE SURFACE OF THE EARTH it would weigh around 9.8 Newtons. On the surface of the moon, it would weight around 1.6 Newtons and in outer space it would be weightless.
Besides, the density of water, at 1 atmosphere has a maximum value of 999.9720 kg/metre3 - near enough, but not quite 1,000.
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1 Litre is about 4.2 cups. So 1/4 of a Litre is about 1.05 cups. So the answer is about 1 cup of water.
One litre of water weighs 1Kg. So if the potting mix is compacted so there is no air it can weigh up to 1Kg. However, usually potting mix is not heavily compacted and commonly you'll find it occupies about half a litre of space when compacted. Therefore, a litre of average potting mix will weigh about half a kilogram (500g).
Depending on the density of the water at the place/time/temperature of measurement. If on average the density is 1 g/cm3 then 1 litre will weigh 1 kg. Density of water does vary. Put that into consideration. Also, is the water pure? If not, definitely the mass will be different!
One liter of heavy water contains approximately 11 grams of deuterium.
Gasoline is less dense than water, which has a density of 1 kg / liter. Depending on alot of variables, gasoline has a density of 0.71 to 0.77 kg / liter. So to answer your question, 1 liter of gasoline weighs 710 to 770 grams.