Question

含有6.02×10²³个氧原子的H₂SO₄的物质的量是

1. A.
   1.00 mol
2. B.
   0.50 mol
3. C.
   0.25 mol
4. D.
   0.125 mol

Answer 1

C
n (H₂SO₄)=n(O)= ×="0.25" mol