How many atoms of Chlorine would there be in 6.8 mol of Cl?

Which statement accurately describes the rock layers? layer 8 is older than layer 1. layer 3 is younger than layer 6. layer 4 and layer 10 are the same relative age. layer 2 and layer 9 are the same relative age.

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Modern weaponry has increased the number of deaths in wars and violent conflicts.