Which of the following sets of coefficients correctly balances the following chemical equation?
Al(OH)3 Al2O3 + H2O

2; 1; 3
2; 2; 3
3; 1; 2
2; 1; 2

Question

Which of the following sets of coefficients correctly balances the following chemical equation?
     Al(OH)3         Al2O3 +      H2O

2; 1; 3
2; 2; 3
3; 1; 2
2; 1; 2

joannablackwelder · Answer

To balance a chemical reaction, the number (and type) of elements needs to be the same in the reactants and products.

joannablackwelder · Answer

For example, the number of Al is not balanced because we have 1 in the reactants and 2 in the products.

joannablackwelder · Answer

Any ideas how to balance that?

anonymous · Answer

No, I don't get how to balance chemical equations, my teacher went to fast

joannablackwelder · Answer

Ok, let me show you the way I like to do them.

joannablackwelder · Answer

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