Accepted Answer
The coefficients in a chemical equation represent the molar ratio of the substances.For example, if an equation says 2H2 + O2 ⇒ 2H2O, it means2 moles of H2 + 1 mol of O2 ⇒ 2 moles of H2O.
Suggested Answer
Answer: Law of conservation of massExplanation: i’ve taken the test before
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