Balancing HNO3 + CaCO3 → H2O + CO2 + Ca(NO3)2

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How to Balance:

HNO3 + CaCO3 → H2O + CO2 + Ca(NO3)2

Word equation: Nitric acid + Calcium carbonate → Water + Carbon dioxide + Calcium nitrate

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

Balancing Strategies: This chemical equation is a bit challenging to balance because you need to carefully keep track of the O atoms as you work.

After carefully counting the atoms up, start by balancing the N atoms.






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.

Video:




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