It's B. 6.25
first divide 50/2
then divide 25/2
after that divide 12.5/2
Then you get 6.25
Hope it helps!
Answer:
Na has the different chemical property
The mass of nickel, Ni deposited when 0.2 faraday of electrical charge is passed through a solution of NiSO₄ is 5.9 g
(NH₄)₂(SO₄)+H₂O⇒(NH₄)₂O+H₂(SO₄)
Explanation:
(NH₄)⁺(SO₄)²⁻+H₂O⇒(NH₄)⁺O²⁻+H₂(SO₄)²⁻