Calculate the molar mass of the complex $\left[Ni\right(CO{)}_4]$.
(Given atomic mass of $Ni$ = 58 u)

The correct option is B 170 g/mol
The molar mass of the complex $\left[Ni\right(CO{)}_4],$
$=58+12\times 4+16\times 4g/mol$
$=170g/mol$