Balancing CaO + H2SO4 → H2O + CaSO4

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How to Balance:

CaO + H2SO4 → H2O + CaSO4

Word equation: Calcium oxide + Sulfuric acid → Water + Calcium sulfate

Type of Chemical Reaction: For this reaction we have a double replacement reaction.

Balancing Strategies: Be sure to count all of the oxygen atoms on the reactants side of the equation (Calcium oxide + Sulfuric acid) and on the product side (Water + Calcium sulfate).






Essential Resources

For a complete explanation, watch:

When balancing chemical equations our goal is to have the same number of each type of atom on both sides of the equation.

Only change the coefficients (these are the numbers in front substances).
Coefficients are the numbers in front of the molecule.
Never change the subscripts (the small numbers after elements).
Coefficients are the numbers in front of the molecule.

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