小林家5月底电能表示数如图所示，6月底电能表示数为100.0kW•h，那么6月份他家消耗了　 ____kW•h的电能，在某段时间内，转盘转过了400转，表示此段时间内他家用了　　  ____度电．

       Look at the picture. Who is the girl? She is my friend. Her name is Alice Black. She is an English girl.

       Alice has a big family. Her grandparents have two daughters and one son — her father. Alice lives with her grandparents, parents, two brothers and one sister. Alice has two dogs — Bobby and Tony. Bobby is black and Tony is white. Alice likes them very much. Alice is a middle school student. She has a good friend at school. Her name is Helen. They are cousins, too.

为了测定黄铜的组成，某研究性学习小组称取该样品10g，向其中逐滴加入9.8%的稀硫酸至刚好不再产生气体为止，反应过程中生成的气体与所用硫酸溶液的质量关系如图．试计算：

（1）样品中铜的质量　____ 

（2）反应所消耗的硫酸溶液质量．____