Sunday
April 19, 2015

Homework Help: Chemistry

Posted by Anonymous on Monday, June 30, 2008 at 7:19pm.

For each substance, write the formula(s) of all species you expect to be present in aqueous solution in the first column. If there are significant minor species, write their formulas in the last column. If the substance is only slightly soluble, use the molecular formula or formula unit followed by (s) for the major species.

I don't understand how you would know which is a major or minor species and what I am asked to do. Thanks in advance for the homework help!

Here is what think for the following:

HCl
I know it is soluble because it is a strong acid, so it would be H+ and Cl^-.

C6H12O6
I'm not sure about this one.

AgCl
I know it is insoluble because that is Ag+ is one of three halides exceptions, so it would remain AgCl(s)?

HNO2
I think this is a weak acid, so it would remain HNO2(s)?

CuI2
I know it is soluble because it is now one of the three halides exceptions, so it would be Cu^2+ and 2I^-.

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