Answer: most store-bought isnt
Explanation:
there typically a lot of addivitves
Answer:
I don't know what to say . just for points
Because you are never 100% precise during the work, so it's best and most accurate answer is always the average of more trials. basically the more you do, the more accurate the answer shall be
H2 + O -> H2O
I'm pretty sure that's the answer, just tell me if I'm wrong.