_Al + _O2 --> _Al2O3
1) 2 1 1
2) 4 3 2
3) 4 2 3
4) 6 3 3
And can someone please explain how you find it as well? That way I don't have to ask in the future
1) 2 1 1
2) 4 3 2
3) 4 2 3
4) 6 3 3
And can someone please explain how you find it as well? That way I don't have to ask in the future
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4 Al + 3 O2 --> 2 Al2O3.
Look at the oxygen; you have O2 on one side and O3 on the other, so since you need the same number of O on each, you will need to have an even number of O3 (because you cannot multiply O2 by anything to make it an odd number). In this case, the only mulitple choice answer is #2, but even without multiple choice, you could try balancing _Al + _O2 --> 2 Al2O3. Since 2*Al2 = 4 Al, and 2*O3=6O, or 3*O2, the correct answer is #2.
Look at the oxygen; you have O2 on one side and O3 on the other, so since you need the same number of O on each, you will need to have an even number of O3 (because you cannot multiply O2 by anything to make it an odd number). In this case, the only mulitple choice answer is #2, but even without multiple choice, you could try balancing _Al + _O2 --> 2 Al2O3. Since 2*Al2 = 4 Al, and 2*O3=6O, or 3*O2, the correct answer is #2.