How Many Grams is 3 Moles of H₂?
3 moles of hydrogen gas (H₂, molar mass 2.016 g/mol) have a mass of 6.048 grams.
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- Enter amount (moles) and molar mass in the fields above.
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Convert 3 moles of molecular hydrogen gas to grams using its molar mass.
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.