阅读理解, 判断正误。
Jack: Come on, Sarah! Look at the pandas.
Sarah: Oh, they're so cute! I like them.
Jack: I like the monkey! It has a long tail.
Sarah: Yes. And it has a big mouth.
Jack: Look! The monkey is eating bananas! It's so funny! Haa……
Sarah: Yes, and it's cute, too
—You'd better do more speaking.
CO2＋H2，达到平衡后，测得CO2为0.6mol，再通入0.4mol水蒸气，又达到平衡后，CO2的物质的量为
