Answer:
b Different amounts of food samples were used.
Explanation:
The mass of the two samples needs to be the same in order for the test to be accurate.
How does the law of conservation of mass apply to this reaction: C2H4 + O2 → H2O + CO2?
This doesn’t have a multiple choice part to answer.
Reaction [taking place]
Hope that helps
Autoionization Reactions are those reactions in which ions or molecules ionizes spontaneously without adding any external reagent.
For Example,
Autoionization of water.
H₂O + H₂O ⇆ H₃O⁺ + OH⁻
Autoionization reaction of Methanol is shown below,