Question

含有6.02×10²³个氧原子的H₂SO₄的物质的量是?

A.1.00 mol?                                                  B.0.50 mol?

C.0.25 mol?                                                  D.0.125 mol?

Answer 1

C?

解析:

n (H₂SO₄)=n(O)= ×=0.25 mol?