Sunday, December 25, 2011

Y11 Reacting Mass Questions 7 and 18. From www.20to9.com


No 4 in this series. Question 4 determines the concentration of ethanoic acid in vinegar. Question 8 identifies metal M in the carbonate M2CO3. You must try these yourself to make the snapkasts worthwhile! Regards FS Frank Scullion Production and Recording: Frank Scullion

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