6. Calculate: Press Reset. Start with 1.900 x 1024 (or 19.00 ~ 1023) molecules of Cu, o. A. Calculate the number of moles:
close
B. Use the Gizmo to verify your calculation. Were you correct?
C. Is the method Ir converting molecules to moles the same as that
for atoms?
Questions 4 an

What is impossible to do with a hypothesis

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.

Ineed pls urgent 1-20 in order and fully detail step my step.