What does the formula for an ionic bond really mean

V1t2 = v2t1 is an expression of who’s law

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

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.