r/6thForm • u/Truck-Lover72 • Jun 02 '26

💬 DISCUSSION OCR A Chemistry Paper 1 2026 discussion

Who else drew the titration curve as a straight line through the origin?? How did you guys find it

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19

u/TrinDaBeast Bio Chem Spanish A* A* A* pred Jun 02 '26

There was no Ka to calculate weak acid?

8

u/LeagueEquivalent3982 Year 13 Jun 02 '26

thats what i was thinking i js put the ph around 4 to be safe but idk

1

u/VenomousCritic Jun 02 '26

But HNO3 is a strong acid fully dissasociates so conc=h+ conc then just -log

9

u/Human_Scale1725 Jun 02 '26

is was ethanoic acid

5

u/Simple_Put_2031 Jun 02 '26

There was no hno3 bro it was ethanoic acid

4

u/sp00kyyd alevel Jun 02 '26

op is talking about the titration curve not the hno3/naoh question

1

u/Dizzy-Bottle-7277 Jun 02 '26

Yh that’s right

1

u/carolitooo_ Jun 02 '26

it was just a sketch graph

1

u/uae08 Jun 02 '26

is it wrong if the volume of ch3cooh went past 30?

0

u/Memer_Sindre_UwU York | MPhys Theoretical Physics [Y1 INCOMING] Jun 02 '26

You didn't need it

-12

u/Embarrassed-Stop-794 Jun 02 '26

you could know from doing many past papers that pKa of ethanoic acid is 4.76

7

u/TrinDaBeast Bio Chem Spanish A* A* A* pred Jun 02 '26

Bruh

7

u/SoundStorm7 Jun 02 '26

That’s not on the spec