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)

[ekjchale#1]

^^^

 

[idkkdi]

^^^

Iirc there’s worked sols for some in strive and I suspect the excel past hsc books as well. Tho doing trial papers is probably a better use of your time.

 

[ekjchale#1]

Iirc there’s worked sols for some in strive and I suspect the excel past hsc books as well. Tho doing trial papers is probably a better use of your time.

Ah ok yep thanks

 

[Heraclitussss]

Same with this question:


Thanks!

 

[jimmysmith560]

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!