Which one of the following statement is incorrect? - Vidyadip

MCQ

Which one of the following statement is incorrect?

A
Number of atoms in $27\, g\, Al$ is equal to Avogadro's number.
✓
$1\, mole$ atoms are present in $27\, g-atom$ of $Al$.
C
Actual mass of $Al$ atom is $45.09\times10^{-24}\, g$.
D
None of the above

✓

Answer

Correct option: B.

$1\, mole$ atoms are present in $27\, g-atom$ of $Al$.

b

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