Hi guys, struggling on Q8 of this paper, I'm getting in such a muddle with it.
Step 1,2, & 4 need ionic equations, and you need to determine the mass of copper in the brass.
I'd type it all out but you all know how to access past papers!
Thank you so so much!
June 2011 F325 OCR paper - help please? Watch
- Thread Starter
- 22-03-2016 10:12
- 22-03-2016 11:19
Which bit are you stuck on. I know the question well.