Physics · Chemical Reactions and Equations
Select the correct statement regarding a Balanced Chemical Equation.
- 1The total number of reactant molecules and product molecules must always be equal.
- 2The total mass of elements must be the same on both sides of the equation.✓
- 3Total volume must always be the same on both sides of the equation.
- 4The total mass may or may not be the same on both sides of the equation.
Correct answer
The total mass of elements must be the same on both sides of the equation.
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