Q 8
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Q 8
what i did for this question is
1. 32/16=2mol
relative molecular mass of oxygen is 2(16) = 32
2. 2x6x10^23= 1.2x10^24
no of moles of oxygen is 1
why the answer is wrong???
Last edited by Admin on Thu Sep 02, 2010 8:21 am; edited 1 time in total (Reason for editing : Incorrect number of moles determine)
Nur Athirah Lim- Posts : 1
Join date : 2010-09-02
Age : 30
Location : Kuala Lumpur
Re: Q 8
i also dun know?? who can help us???
nur farah anis- Posts : 7
Join date : 2010-09-02
Age : 30
Location : sepang
Guide to answer Question 8
- Determine the no of moles of oxygen gas
- Find the no of molecules by using the relationship between no of moles & Avogadro Constant
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