A:95.6%
B:92.3%
C:85.7%
D:75.0%
某化学实验小组加热15.5gKClO3和MnO2的混合物制取氧气,完全反应后,称得固体剩余物质量为10.7g.请计算:
-Were you sick(恶心的)after six hours' journey on the bus?
-Of course. I _________ as soon as it stopped.