What are the three states in which most matter occurs

What is the mass of sodium in 3 moles of sodium chloride

What is the correct equation for cellular respiration?

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering