What are the rules for these:

Fe2O3
BaCrO4
AgSO4
Ca(OH)2
Mg3(PO4)2
ZnCrO4
AgI

Question

What are the rules for these: 

Fe2O3
BaCrO4
AgSO4
Ca(OH)2
Mg3(PO4)2
ZnCrO4
AgI

rishavraj · Answer

what type of rules
??????

anonymous · Answer

R u asking the rules to find their Molecular formula.....????

genny7 · Answer

Well its the soluble & insoluble rules...if that makes sense?

rishavraj · Answer

genny7 · Answer

Yeah i have notes like tha but to be honest i dont understand them

rishavraj · Answer

u need to remember tht i guess.....

anonymous · Answer

Its quite simple... u jux hav to memorize tht in wht state elements are soluble nd in wht state they r not...

anonymous · Answer

check out this site... A frnd of mine suggested it to me,whn i had problem in this topic.... see if it helpful... http://www.chem.sc.edu/faculty/morgan/resources/solubility/

genny7 · Answer

Yup this site is good :) its better than my notes

anonymous · Answer

Glad to knw, it is helpful.. ;)

genny7 · Answer

Thanks sooo much :) @Xylia