A) one mole
B) \[6.02\times {{10}^{23}}atoms\]
C) 58.7gm
D) 22.4 moles
Correct Answer: D
Solution :
22.4 mole Ni \[Mole\text{ }of\text{ }Ni\,\,=\,\,gm\text{ }atomic\text{ }mass\]
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