A sample of formic acid (CH2O2) contains 4.05 x 1020 molecules. How many moles of formic acid are in this sample? Be careful: round to the nearest 0.00001 and
include both units and substance in your answer.

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?