chemistry/stoichiometry/balancing/ How to BalanceHNO3 + Mg = Mg(NO3)2 + H2

How to Balance Nitric acid + Magnesium → Magnesium nitrate + Hydrogen gas

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

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

Word Equation: Nitric acid + Magnesium → Magnesium nitrate + Hydrogen gas

Balancing Strategies: In this single displacement reaction the Mg replaces the H in the HNO3. This is a fairly straightforward reaction to balance.
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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