5.取某元素16克,其原子總數為3.01x10*23個,則該元素的原子量為若干?
答:32
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請告訴我算式,thanks
2005-11-24 17:27:36 · 3 個解答 · 發問者 Anonymous in 科學 ➔ 化學
莫耳數＝重量／原子量＝粒子數／(6.02x1023) ＝ 16/原子量＝(3.01x1023)/(6.02x1023) 所以某元素的原子量＝ 32
2005-11-24 17:28:57 · answer #1 · answered by Frank 7 · 0⤊ 0⤋
http://tw.knowledge.yahoo.com/question/?qid=1405112414880
幫忙回答拜託很急！
2005-11-24 17:44:03 · answer #2 · answered by Anonymous · 0⤊ 0⤋
3.01X10*23/6.02X10*23=0.5(mole)
16/m=0.5
原子量=32
2005-11-24 17:31:31 · answer #3 · answered by ? 3 · 0⤊ 0⤋