What would be the mass of 18.2 mol of water?

After cloud droplets form, what must happen to them for precipitation to occur?

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.