Answer:
Step-by-step explanation:
Hi there!
We have,
Molecular mass of an aluminum is 27 g
Also, 1 mole = 27 g (according to mole concept in terms of mass)
or 2.25 moles of Al = 27*2.25 g
= 60.75g
Therefore, 2.25 moles of Al contains 60.75g of Al.
Hope it helps!