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Finding balancing coefficients of chamical reactions

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What is the coefficient of O2?
_Al+_O2-> Al2O3

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Solution Preview

1. Count the number of atoms,

right side has two Aluminium, so multiply the left by 2

2Al + O2 --> Al2O3

Here right has 3 oxygen, ...

Solution Summary

Easy to follow answer with explanation of the concepts and all mathematical steps as required. The balancing coefficients of chemical reactions are determined.