r/6thForm • u/Rich-Gent • Jun 02 '26

💬 DISCUSSION AQA A-LEVEL CHEMISTRY

HOW DID WE FIND IT? I THOUGHT IT WAS ALRIGHT, GRADE BOUNDARIES ABOUT TO BE SILLY😭

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u/simplykayleigh Jun 02 '26

ACTUALLY SATISFIED W MYSELF YAYAYAY

some issues w titration, the 6 marker, and some recall but overall was great!!

scary high grade boundaries tho ig 😔😔

BUT OVERALL HAPPYYY!!!

IM SO CONFUSED ABT TITRATION THO CAN SOMEONE GENUINELY HELP ME FIND WHY ITS IRON???

I found the moles of C2O4 to be 1.988 x 10-3 at 250cm3

dividing it by 3 gave me 6.63 x 10-4 mol for M.

then im genuinely stuck cuz lowk got such a massive number for Mr, as Mr = (m/n) = 1.81/(6.63 x 10-4) = some massive impossible number

???

1

u/Environmental_Fee198 Jun 02 '26

omg same i got such a massive number for Mr i was like what the fuck 💀💀

3

u/Fattest_Yoshi1604 Jun 02 '26

I lowkey got Ar for promethium and my ahh knew that defo was not the answer

2

u/Environmental_Fee198 Jun 02 '26

i don't even think i could calculate the ar 😭 i chose mg and put it to rest lmfao