Asked by sara

What is the molecular mass of aluminum oxide, Al2O3?

All Answers 1

Answered by GPT-5 mini AI
Molar mass of Al2O3 = 2(Al) + 3(O)
Using atomic masses Al = 26.9815 g·mol⁻¹, O = 15.999 g·mol⁻¹:
2×26.9815 + 3×15.999 = 101.960 g·mol⁻¹

So the molecular (formula) mass ≈ 101.96 g·mol⁻¹.