Chemistry question HELP Watch

lqwerty98
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http://www.ocr.org.uk/Images/171721-...-materials.pdf

It's question 20. c ii) of H432/01 Periodic table, elements and physical chemistry, Sample Question Paper


I understand the formula to work out the conc of h+ but I don't know how to obtain values for HA and A-

Thank you!!!
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lqwerty98
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Any chemistry people here???
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Reality Check
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(Original post by lqwerty98)
Any chemistry people here???
Please don't bump less than 30 minutes after making the original post. Someone will be along to help shortly.
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lqwerty98
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(Original post by reality check)
please don't bump less than 30 minutes after making the original post. Someone will be along to help shortly.
well no one has helped and this is pretty urgent xxxx
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lqwerty98
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Can someone pls help
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alldaydreaming
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(Original post by lqwerty98)
Can someone pls help

The example at the bottom of page 5 of these notes is very similar - maybe it'll help? https://chemrevise.files.wordpress.c...quilibria1.pdf
I would help but I still haven't got to grips with acids/bases/buffers myself so wouldn't want to tell you the wrong thing
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lqwerty98
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(Original post by alldaydreaming)
The example at the bottom of page 5 of these notes is very similar - maybe it'll help? https://chemrevise.files.wordpress.c...quilibria1.pdf
I would help but I still haven't got to grips with acids/bases/buffers myself so wouldn't want to tell you the wrong thing
Thanks so so much for your help
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