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ǰλãҳ > (名师整理)化学九年级下册第八章《金属和金属材料》单元检测试?含答? - 百度文库

(名师整理)化学九年级下册第八章《金属和金属材料》单元检测试?含答? - 百度文库

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  • 2025/6/2 10:07:52

1ÿ100gȫӦӦ11.2gڵ4ʱʣܹ1.2g17.6g1.2g=16.4g11.2g16.4g11.2g2Ե3ȫӦʣΪ17.611.2g=6.4g4ʣ࣬ʣ岻ᷴӦʣ1.2gM=6.4N=1.2 2Ʒ=

=97%

3һηӦxӦΪ40g28.8g=11.2g

ãx=0.4g

ҪǸݻѧʽļ㣬ĹؼҪʵݣʵҵõ

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⡿ 1ÿ100gȫӦӦ11.2gڵ4ʱʣܹ1.2g17.6g1.2g=16.4g11.2g16.4g11.2g2Ե3ȫӦʣΪ17.611.2g=6.4g4ʣ࣬ʣ岻ᷴӦʣ1.2gM=6.4N=1.2 2Ʒ= =97% 3һηӦxӦΪ40g28.8g=11.2g ãx=0.4g 㾦 ҪǸݻѧʽļ㣬ĹؼҪʵݣʵҵõ 25

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