chemistry/stoichiometry/balancing/ How to BalanceCa + HNO3 = Ca(NO3)2 + H2

How to Balance Calcium + Nitric acid → Calcium nitrate + Hydrogen Gas

How to Balance: Ca + HNO3 → Ca(NO3)2 + H2

Type of Chemical Reaction: This is a single displacement reaction.

Word Equation: Calcium + Nitric acid → Calcium nitrate + Hydrogen Gas

Balancing Strategies: In this single displacment reaction the Ca replaces the H in HNO3. We end up with Ca(NO3)2 and H2.

It is helpful to consider the NO3 to be one item. This makes the balancing much simplier.
For a complete explanation, watch:

About Balancing Chemical Equations

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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