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# % Mass question watch

1. What is the percentage by mass of tin in tin(IV) chloride, SnCl4

what steps would you take to work this out
2. Find out the Ar of tin then the Mr of the tin (IV) chloride. So you can then work out how much of the tin is in the chloride in terms of a fraction - then convert to %
3. Yep wicked i got the answer :46%

Cheers mate
4. lol! TSR is your own private tutor. Well not private but hey!
5. There's an easy formula for this:

Percentage by mass = mass of solute / mass of solution x 100%

6. I'm sure we had that same question on our Chemistry work last week!! :P
7. Perhaps we did

Was the question after it.

2 Mol of a compounf has a mass of 117.0g. What is it's relative molecular mass ?

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Updated: September 20, 2008
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