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Is a different periodic table used in alevel chem compared to gcse?

Im doing the transition work the school set us and i had to find the Mr of CaCo3 and i did 40+ 12 + 16 x 3
but the answer has 40.1 +12+16x3
and i just wondered why it is 40.1 as on my gcse periodic table it just says 40, at alevel is there a more detailed one? Why is it different.
Yes, it is for moles calculations. To make it more precise. They just round it for GCSE usage. :smile:
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Avatar for Lucy98654
Lucy98654
OP
13
Original post by Bookworm_88
Yes, it is for moles calculations. To make it more precise. They just round it for GCSE usage. :smile:

Ah ok thank you ! Will I have to know these off by heart or do they give you a more precise periodic table to use?
Reply 3
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epicnm
17
Original post by Lucy98654
Ah ok thank you ! Will I have to know these off by heart or do they give you a more precise periodic table to use?

No you’re given a periodic table on a data sheet
Yeah, for a-level most are given to 1dp for accuracy.

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