1. In lab one flask contains 2 moles of water (H,0) and another flask contains 6 moles of
hydrochloric acid (HCI). Which flask contains more atoms of hydrogen? Explain your answer.

How many atoms are there in 5.70 mol of mg

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.

Light waves are as they pass through the