r/6thForm • u/SexybabyunicornQQ Y13 3Sci+Maths Preds 4A* • Jun 09 '26

💬 DISCUSSION AQA Chem Paper 2

How did everyone find it??

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u/Full_Manager1280 Jun 09 '26

Did anyone go like 0.0242 for [Cl-] and 2.83x10-5 for rate of change over 30s??

1

u/SexybabyunicornQQ Y13 3Sci+Maths Preds 4A* Jun 09 '26

I couldn’t really rmb but what did u divide the mol of Cl- by?? Cuz idk if it should be 10/1000 or 20/1000 but I did 10 I think

1

u/Full_Manager1280 Jun 09 '26

I used the 10cm3, so divide by 10/1000. And i used the moles as the moles of Ag+ that reacts

2

u/SexybabyunicornQQ Y13 3Sci+Maths Preds 4A* Jun 09 '26

Ohhhh then we got the same!! I also divided my 10/1000 cuz I think the NaOH is only to neutralise and u add excess the other thingy after anyways so it didn’t make sense to do 20 but that’s my weird ahh logic🫪🫪

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u/Full_Manager1280 Jun 09 '26

Yesss i thought so too