True or False. The General Chemistry stockroom (PS G-106) offers PPE (goggles, lab coats, and scrub pants) for rent.

Can someone me with questions 12 and 13 plz.

Calculate the number of molecules present in 0.750 mol of mgo.

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.