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Universityletmein Oct 18th 2017 06:35 PM

Measuring the solubility of a substance
 
So my chem teacher does this thing where he gives us questions on subject matter that he has yet to teach, so Iím a bit confused on these questions. Questions like, for example, what is the solubility of the given substances at 50 degrees Celsius, what is the minimum temperature required to dissolve 100g of the given substances in 100ml of water, how many grams of each substance will dissolve in 250ml of water at 80 degrees Celsius. Could someone give me a brief outline as to how I could solve these questions? Thanks!

oz93666 Oct 18th 2017 09:56 PM

The question as you gave it cannot be answered ... every compound has a different solubility in water , we need to know what substance ...generally, the higher the temperature , the more dissolves...

Universityletmein Oct 19th 2017 04:16 AM

Quote:

Originally Posted by oz93666 (Post 153054)
The question as you gave it cannot be answered ... every compound has a different solubility in water , we need to know what substance ...generally, the higher the temperature , the more dissolves...

One of the compounds was NaCLO3, but is there not a general equation I could use to solve this? I have no clue what Iím doing or what Iím talking about so sorry if I sound like an idiot asking that haha

oz93666 Oct 19th 2017 05:49 AM

put .... "NaClO3 solubility curve" in google search ....

You get many charts like this ...

http://hrsbstaff.ednet.ns.ca/dawsonr...s/image003.jpg

NaClO3 is the second from the top curve ...

at 0 C , 80 gms disolves in 100gms of water

at 70 C ,180 gms disolves in 100gms of water

Universityletmein Oct 19th 2017 12:52 PM

Quote:

Originally Posted by oz93666 (Post 153056)
put .... "NaClO3 solubility curve" in google search ....

You get many charts like this ...

http://hrsbstaff.ednet.ns.ca/dawsonr...s/image003.jpg

NaClO3 is the second from the top curve ...

at 0 C , 80 gms disolves in 100gms of water

at 70 C ,180 gms disolves in 100gms of water

Great, thank you!


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