2) mg donates two protons to O.
Answer:
2 sig figs.
Explanation:
Sig Fig Rules:
Any non-zero digit is a significant figure.
Any zeros between 2 non-zero digits are significant figures.
Trailing zeros after the decimal are significant figures.
Wouldn't be a then not c if both were solutions.
Answer:
closed container of N2O4 and NO2 is at equilibrium. NO2 is added (increasing the concentration) to the container.
N2O4 (g)