How do you balance chemical formulas?

How do you balance chemical formulas?

  • Answer:

    You have to make all the elements on one side the same as the other. For example, with water (which is H2O) H2 combines with O2 so the reaction is H2 + O2 = H2O but you see there are only 2 O on the right side so you have to put a 2 in front H2 + O2 = 2xH20 but now there's 4 H's on the right so you have to put a 2 in front of the Hb on the left 2xH2 + O2 = 2xH2O now the equation is balanced 4 H's and 2 O's on each side!

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