How many moles of ethane contain y hydrogen atoms?
(L represents the Avogadro's constant)
A. y/L
B. L/y
C. y/6L
D. 6y/L
請講出正確答案,並附帶詳盡解釋,thx!!!
chemistry ge計數(關於mole)
2011-11-09 7:08 am
回答 (1)
2011-11-09 6:23 pm
✔ 最佳答案
The answer is : C. y/6LMolecular formula of ethane = C2H6
1 mol of C2H6 molecules contain 6 mol of H atoms.
1 mol of C2H6 molecules contain 6L H atoms.
1/6L mol of C2H6 molecules contain 1 H atoms.
Hence, y/6L mole of C2H6 molecules contain y H atoms.
參考: andrew.tam
收錄日期: 2021-04-13 18:20:39
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