4.99moles= ______atoms
Is the number 6.02x10^23 included in this problem?
Is the number 6.02x10^23 included in this problem?
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grams?  your problem says convert moles to atoms. I assume because I must that you have 4.99 moles of an element - not  a compound.   6.022 X10^23 ATOMS/MOLE x 4.99 MOLES = ATOMS in 4.99 moles
      