How Many Grams is 5 Moles of O₂?
5 moles of oxygen gas (O₂, molar mass 32.00 g/mol) have a mass of 160.0 grams.
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Convert 5 moles of molecular oxygen to grams using its molar mass of 32.00 g/mol.
Frequently asked questions
- What is a mole?
- A mole (mol) is 6.022×10²³ particles (Avogadro's number). It is the SI unit for amount of substance — the bridge between atomic and macroscopic scales.
- How do I find the molar mass?
- Add up the atomic masses of all atoms in the formula. H₂O: 2×1.008 + 15.999 = 18.015 g/mol. Use the IUPAC periodic table for accurate values.