4 Na + O 2 2 Na 2 O
4 Na + O 2 2 Na 2 O. (. ). “Straight” Stoichiometry. (no funny business). -- the quantity of only one substance is given. -- for gases, the conditions are STP. How many moles oxygen will react with 16.8 moles sodium?. Na. O 2. 1 mol O 2. 16.8 mol Na. = 4.20 mol O 2.
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