What is the density of an object whose mass is 142.5 g and whose volume is 7.5 ml?

What is the number of moles in 15.0 g ash3?

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.

Which item is most likely part of the safety contract