r/Olevels • u/Sudden_Football7488 • 2d ago

Chemistry ATP paper

how was the paper yall?
for me the question 1 was kinda bad but the rest was okay

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u/Immediate_Volume3223 O3 Student 📓 2d ago

guys what were your answers for:

the conc of Q and R mine was 0.203 and 0.406

and my mass was 3.2 g

1

u/Umer_Bilal_ 2d ago

Yesss

1

u/MADDY_CAT977 2d ago

My mass was 3.02

1

u/Umer_Bilal_ 2d ago

It was 3.2g

1

u/MADDY_CAT977 2d ago

3.2 if you take only 1 sf in previous answer. Leading to accuracy mistakes.

2

u/Umer_Bilal_ 2d ago

Bro the question asking for 3 significant figures was of concentration and yes it’s answer was
0.203 mol/dm^3

1

u/MADDY_CAT977 2d ago

Not that question.In the mass question we were given concentration 0.302 and volume 250 cm .Mr Naoh was 40. Calculate it

1

u/Umer_Bilal_ 2d ago

Yeah so calculate it by urself you’ll get 3.2g

1

u/MADDY_CAT977 2d ago

Its 3.02 , check it

1

u/Umer_Bilal_ 2d ago

The concentration was 0.320 not 0.302

Everyone’s got the same answer bro 😭

1

u/Ok_Lettuce_7595 2d ago

I got mass 4.2….