u/Both-Objective-5757

I feel like I fucked up the paper 3 practical
I messed up the salts got mgso4 instead of al and the questions in question 2 depended on whether or not you got the right salt in q1
And for Mncl I put mnco3 (idk what I was thinking bro)
So how many marks do you think I lost and how good do I need to do in p2 and p1 to be able to get an overall C or B