If the human body has 60 trillion body cells (6x10^13) and that the earth's population is 7 billion (7x10^9) were to count this way until retirement, what fraction of the mole would they count

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.