2. If it is oil, wine, etc. , the density is smaller than water, then 1 liter of oil. 3. If it is salt water, milk, etc. The density is greater than that of water, and vice versa.

One liter is the unit of capacity. One liter is equal to 65,438+0,000 cubic centimeters. Knowing the density of the liquid can calculate the weight. For example, the density of water is about 1 kg/liter, and a liter of water is about one kilogram.