The density of oxygen in a steel cylinder is 8 kg / m3, one fourth of which is used. What is the remaining oxygen density in the cylinder?

The density of oxygen in a steel cylinder is 8 kg / m3, one fourth of which is used. What is the remaining oxygen density in the cylinder?


The remaining oxygen density is 8 * 3 / 4 = 6kg / m3



At present, the density of soybean is generally one cubic meter, how many kilograms?


Different quality is very different, isn't it? Water content, plumpness
downstairs



Which is the density of plastic or sand?


Sand