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When sufficient water is removed.
How can I know when sufficient water has been removed at the end of a crystallisation process; the part where you heat the hydrated crystals?
Just in case, the whole question follows:
Just in case, the whole question follows:
Spoiler
When the mass of the substance no longer changes after heating. (I think - may be completely wrong)
Posted from TSR Mobile
Posted from TSR Mobile
Original post by Obiejess
Wouldn't it keep changing until all the water is gone?
In this case I think they want to keep 5 moles of H2O within one mole of CuSO4 crystals, hence knowing when to stop removing water.
Original post by Wunderbarr
Wouldn't it keep changing until all the water is gone?
In this case I think they want to keep 5 moles of H2O within one mole of CuSO4 crystals, hence knowing when to stop removing water.
In this case I think they want to keep 5 moles of H2O within one mole of CuSO4 crystals, hence knowing when to stop removing water.
No idea then. Sorry.
Posted from TSR Mobile
Original post by Obiejess
It's fine, thanks for your input anyway "Gunther".
Original post by Wunderbarr
It's fine, thanks for your input anyway "Gunther".
Wish I could have been more help.
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Original post by username1214455
I know this is 6 years ago, I'm just answering in case someone came across this post
I believe it's because the colour changes (blue to white) anhydrous copper sulfate is white.
Original post by Bl4ze
I know this is 6 years ago, I'm just answering in case someone came across this post
I believe it's because the colour changes (blue to white) anhydrous copper sulfate is white.
I believe it's because the colour changes (blue to white) anhydrous copper sulfate is white.
Yep, it was indeed 6 years ago and I've finished uni now, but I suppose that does make sense haha
(edited 2 years ago)
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