n(P) = 1.24g / (31g/mol ) = 0.04mol
4P + 5O2 = 2P2O5
4mol 5mol 2mol
0.04mol (0.05mol) (0.02mol)
产物的物质的量为0.02mol
产物含有0.04mol P ,0.05mol*2 =0.1molO 即6.02*10^22个O
每个P化合价升高5,所以 反应中总转移0.04mol*5 =0.2mol 电子
n(P) = 1.24g / (31g/mol ) = 0.04mol
4P + 5O2 = 2P2O5
4mol 5mol 2mol
0.04mol (0.05mol) (0.02mol)
产物的物质的量为0.02mol
产物含有0.04mol P ,0.05mol*2 =0.1molO 即6.02*10^22个O
每个P化合价升高5,所以 反应中总转移0.04mol*5 =0.2mol 电子