When 20. milliliters of 1.0 m hcl is diluted to a total volume of 60. milliliters, the concentration of the resulting solution is 1. 1.0 m 2. 0.50 m 3. 0.33 m 4. 0.25 m

State the formula for density in words and mathematical symbols

In pqr m< p=60 m< q= 30 and m

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.