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Standardising sulphuric acid

I'm wanting to standardise 2 mol dm^-3 of sulphuric acid using sodium carbonate. I know that they react in a ratio of 1:1, but what concentration of sodium carbonate should I use?

Thank you


Posted from TSR Mobile
(edited 8 years ago)
Reply 1
Avatar for Pigster
Pigster
20
You wouldn't usually standardise the acid with Na2CO3, you'd usually do it the other way around.

Anyhoo, I'd use the same conc. for both, since they react 1:1. That way, you can put 25 cm3 of the acid (with a pipette) into the conical and add about 25 of the carbonate. If you need more or less, you're fine as there is plenty of wobble in the burette volume, and the percentage uncertainty will be fairly low.
Reply 2
Avatar for Destiny888
Destiny888
OP
Original post by Pigster
You wouldn't usually standardise the acid with Na2CO3, you'd usually do it the other way around.

Anyhoo, I'd use the same conc. for both, since they react 1:1. That way, you can put 25 cm3 of the acid (with a pipette) into the conical and add about 25 of the carbonate. If you need more or less, you're fine as there is plenty of wobble in the burette volume, and the percentage uncertainty will be fairly low.


Thank you!
(edited 8 years ago)

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