Answer:
B. a H+ ion is the answer dear.
Explanation:
ㅗㅐㅔㄷ ㅅㅗㅑㄴ ㅗㄷㅣㅔ ㅛㅐㅕ.
You should use Avogadro’s number for the conversion, because Avogadro’s Law states that there are 6.02 x 10^23 atoms per 1 mol of that substance.
Answer: Hydrogen that is not used in balloons because hydrogen burns very easily.
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