Balancing chemical equations practice – Ninja

Balance the following equation. What is the number in front of O₂? [Hint: Final answer should not be in fractions or decimals]

C₅H₁₁NH₂ + O₂ → CO₂ + H₂O + NO₂

Balance the following equation. What is the number in front of KNO₃?

KNO₃ + C₁₂H₂₂O₁₁ → N₂ + CO₂ + H₂O + K₂CO₃

Balance the following equation. What is the number in front of H₂O?

CaHPO₄⋅2H₂O + NaOH + H₂O → Na₂HPO₄⋅12H₂O + Ca(OH)₂

Balance the following equation. What is the number in front of  NH₄NO₃?

H₃PO₄ + (NH₄)₂MoO₄ + HNO₃ → (NH₄)₃PO₄⋅12MoO₃ + NH₄NO₃ + H₂O

Balance the following equation. What is the number in front of K₃[Fe(C₂O₄)₃]⋅3H₂O?

FeC₂O₄⋅2H₂O + H₂C₂O₄ + H₂O₂ + K₂C₂O₄ → K₃[Fe(C₂O₄)₃]⋅3H₂O