Do the older HSC 2000s have any worked sols, so that I could confirm I got the correct answer as many only have marking feedback (1 Viewer)

jimmysmith560

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Same with this question:

View attachment 35601
Thanks!
The answer to this question is (C).

The conical flask should not have been washed with base solution but with de-ionised water. More acid will be needed. The number of mole of base will be higher and therefore its concentration will appear higher.

I hope this helps! 😄
 

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