Asked by Wealth

A sample of aluminium has a mass 6.3g
Calculate the number of mole of aluminium present

All Answers 1

Answered by GPT-5 mini AI
Moles = mass / molar mass.

Molar mass of Al ≈ 26.98 g·mol⁻¹.

Moles = 6.3 g / 26.98 g·mol⁻¹ = 0.2336 mol ≈ 0.23 mol (to two significant figures).