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October 21, 2025, 06:25:45 pm
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Author Topic: i think i may have found a misprint in Heinemann  (Read 1396 times)  Share 

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lanvins

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i think i may have found a misprint in Heinemann
« on: March 15, 2008, 02:22:41 pm »
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for those of u using heinemann on page 46 question 28 for f;  is the table suppose to say anhydrous calcium carbonate or is it anhydrous sodium carbonate as they have it, right?

i need it because i need to find the percentage of calcium carbonate in the sample
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iamdan08

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Re: i think i may have found a misprint in Heinemann
« Reply #1 on: March 15, 2008, 03:03:24 pm »
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Didnt you find the mol of calcium carbonate  in e(0.009330) then you can calculate mass of calcium carbonate (0.9339g) and so on?
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2007-08 VCE - Accounting, Texts & Traditions, Methods, Chem, Physics, Lit
         
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lanvins

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Re: i think i may have found a misprint in Heinemann
« Reply #2 on: March 15, 2008, 03:25:31 pm »
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yea but on the second line of the table it says anhydrous sodium carbonate rather than anhydrous calcium carbonate.
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iamdan08

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Re: i think i may have found a misprint in Heinemann
« Reply #3 on: March 15, 2008, 03:53:10 pm »
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Oh i see what you mean. I think you are right. That second line should say "mass of limestone  and watch glass.".
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2007-08 VCE - Accounting, Texts & Traditions, Methods, Chem, Physics, Lit
         
2011 Bachelor of Biomedicine (Completed) @ The University of Melbourne
2012 Doctor of Medicine (Second Year) @ The University of Melbourne
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