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OpenStudy (anonymous):
Which chemical equation is correctly balanced? Na + O2 ---> Na2O Na2 + O---> 2Na2O 2Na + 2O2 ---> 2Na2O 4Na + O2 ----> 2Na2O
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OpenStudy (anonymous):
count the number of oxygen and sodium atomsATOMS on each sides they ought to be same for a balaced eqn
OpenStudy (anonymous):
1eqn
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