Question

mole of electrons present in 9g of aluminium is (atomic mass of Al=27u)
a) 0.33
b) 4.33
c) 1.33
d) 2.66​

Answer 1

Hii

you are welcome in my ans

number of mole (n) = 9/27 = 1/3 = 0.33

option A

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Answer 2

my answer is 9/27 equal to 0.33