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Buffer Question CCEA chemistry

Does anyone know how to do the following question?

It’s possible to make a buffer in the lab which has the same pH as
blood, 7.4. What mass of sodium ethanoate, CH 3 COONa, would
you need to prepare 1dm 3 of a buffer solution which contains 0.6g
of ethanoic acid, CH 3 COOH. K a of ethanoic acid = 1.74 x 10 -3moldm-3.

Th values here are not wrong, just in case

(edited 5 years ago)

Sorry you've not had any responses about this. :frown:

:frown:

Are you sure you've posted in the right place? :smile:

:smile:

Here's a link to our subject forum which should help get you more responses if you post there. :redface:

:redface:

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