What is wrong with the following statement? “Because there are no common factors in the molecular formula K2CO3 is also the empirical formula of potassium carbonate."

The answer is c if i’m not wrong

Ansa leaf changing color in autumn;

Answer is: hydrogen is being oxidized.chemical reaction: co₂ + h₂ → co + h₂o.oxidation half reaction: h₂ → 2h⁺ + 2e⁻.reduction half reaction: c⁺⁴ + 2e⁻ → c⁺².oxidation is increase of oxidation number, hydrogen change oxidation number from neutral charge (in molecule of hydrogen) to oxidation number +1 (in water).

I️i️ is a really time of to get go back home alone to the sleep