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Chemistry: Post your doubts here!

I know how to do it if i were to calculate the answers one by one, but i was actually looking for an alternative way to find it without doing that. But i guess it's impossible since there's 3 unknown and 1 equation. Thanks btw!
- Ericyong
- Post #11,075
- Aug 8, 2014
- Forum: A-Levels
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Chemistry: Post your doubts here!

The answer is B. I've done some calculations and still couldn't find it.
- Ericyong
- Post #11,068
- Aug 5, 2014
- Forum: A-Levels
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Chemistry: Post your doubts here!

http://www.scribd.com/mobile/doc/73549537 Page two first question
- Ericyong
- Post #11,061
- Aug 5, 2014
- Forum: A-Levels
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Chemistry: Post your doubts here!

Naturally occuring silicon is a mixture of three isotopes, 28Si, 29Si, and 30Si. The relative atomic mass of silicon is 28.109. What could be the relative abundance of each of the three isotopes? Help pls I can't figure it out
- Ericyong
- Post #11,059
- Aug 5, 2014
- Forum: A-Levels

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