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國二下理化1-2原子量.分子量與莫耳課文重點複習
請輸入你的E-MAIL方可作答, 作答方式: 針對( )填入正確答案, 共10格,滿分100分(可重複作答)
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5個葡萄糖分子(C6H12O6)含有( A )個碳原子, (B)個氫原子,(C)個氧原子, 則ABC=(___ ___ ___) [答案間須空1格]
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氫氧化鈣[Ca(OH)2]的分子量=( ) (原子量:Ca=40,O=16,H=1)
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1個水分子的質量=( )公克 [乘號用*, 次方用^]
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1莫耳=A X 10的(B)次方 , 則AB=(___ ____) [答案皆為整數且須空1格]
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丙烷(C3H8)的分子量=( ) (原子量:C=12,H=1)
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1.8 X 10^24個水分子=( )莫耳的水分子(H2O)
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90公克的水含有( )莫耳的水分子(H2O)
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9莫耳的水分子含有( A )公克氫原子, ( B )公克氧原子,則AB=(____ ____)[答案間須空1格]
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90公克的水分子含有( A )公克氫原子, ( B )公克氧原子,則AB=(____ ____)[答案間須空1格]
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X元素原子與碳原子的質量比為5:3,則X元素的原子量為( )
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