The number of moles present in #"44 g"# of #"CO"_2# ? Chemistry The Mole Concept The Mole 1 Answer Nam D. · Truong-Son N. · Stefan V. Feb 17, 2018 #"0.9998 mols" -> "1.0 mols"# (2 sig figs) Explanation: #CO_2# has a molar mass of #44.009 \ "g/mol"#. That means that one mole of #CO_2# has a mass of #44.009 \ "g"#. So, in #44 \ "g"# of #CO_2#, there is a little under one mole of #"CO"_2#. Answer link Related questions How do you calculate the number of moles from volume? How do you convert grams to mole? Question #258e5 Question #8d48c Why is the mole an important unit to chemists? What's the mole number? How does the mole relate to carbon 12? How does the mole relate to molecules and ions? How do you calculate the moles of a substance? How can I calculate the moles of a solute? See all questions in The Mole Impact of this question 5759 views around the world You can reuse this answer Creative Commons License