Determine the number of atoms for each type in the following chemical compound 2A1(OH)3

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.

Select the correct answer. wax is a nonpolar substance. in which type of substance is it most soluble?

What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?