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To find how much of each element you need, you have to balance the equation.
makes sure that the number of atoms on the left side of the equvation equals
the numbers of atoms on the right . you know the rectants and the product
for this reaction,and you can't change them

 i hope this useful for u
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Count the atoms of each element in the reactants and the products. Use coefficients; place them in front of the compounds as needed.
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