Question

Calculate the number of moles in 270 gm of aluminium.
(Atomic mass of Al = 27 u)

Answer 1

gram atomic mass of aluminium = 27g

given mass - 270 g

number of moles = 270 / 27

= 10 moles

Answer 2

No of moles = given mass / molar mass

Therefore,

270gm / 27u = 10 moles.

Plz check and verify