12.电解水生成的氢气和氧气的质量之比为-------------------------------------------------( )
A.1:1 B.2:1 C.1:8 D.8:1
|
A.24:32:40 B.48:32:80 C.24:32:64 D.24:32:80
12.电解水生成的氢气和氧气的质量之比为-------------------------------------------------( )
A.1:1 B.2:1 C.1:8 D.8:1
|
A.24:32:40 B.48:32:80 C.24:32:64 D.24:32:80