A.86580s B.900s C.1800s D.13000s
A.2/(k2c0) B.1/(3k2c0) C.3/(k2c0) D.4/(k2c0)
A.一級反應(yīng) B.零級反應(yīng) C.二級反應(yīng) D.3/2級反應(yīng)