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QUESTION

# How would you balance: Na + H2O --&gt; NaOH + H2?

2Na + 2H_2O -> 2NaOH +H_2

You have to count the number of atoms in both sides of the reaction to be equal, to make it a little easier you can make a list. So in the equation Na+H_2O->NaOH+H_2, there are 1-Na-1 2-H-3 1-O-1 So you multiply NaOH and H2O by 2, so you have 4 hydrogens in both sides, and then multiply Na by 2 to be equal to the NaOH you previously multiplied.