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原子的平均質量計算 ? 這題中文問題 該怎麼解?
Jan 11th 2014, 18:51

常見的北美鼬鼠是一種哺乳動物,一般具有質量75g,約相當於7.5莫耳原子(一莫耳原子具有6.02*10^23個原子)。如果以原子質量為單位(u),則常見的北美鼴鼠內,原子的平均質量為何?

  • 2014-01-12 02:52:19 補充

    有好的回答 我會盡快選出最佳解答以感謝

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