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what are the steps on how to balance Al + O2 -----> Al2O3

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Al + O2 -----> Al2O3

lcm of 2 and 3 is 6 which is 2 O3

x Al + y O2 = 2 Al2O3
x = 4
y = 3

4 Al + 3 O2 = 2 Al2O3

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