Question
which of the following salts do you expect to have the lowest water solubility?
a...SrF2
b...Rb2O
c...Ga2O3
d...CsNO3
All the numbers are subscripts
a...SrF2
b...Rb2O
c...Ga2O3
d...CsNO3
All the numbers are subscripts
Answers
DrBob222
Nitrates are soluble so I would cross off d.
Rb2O is similar to Na2O, Li2O, etc and they are quite soluble (forming bases).
SrF2 is relatively insoluble (similar to CaF2 etc) so a possibility.
Ga2O3 is similar to Al2O3. We KNOW Al2O3 is almost completely insoluble. I would go with Ga2O3.
Rb2O is similar to Na2O, Li2O, etc and they are quite soluble (forming bases).
SrF2 is relatively insoluble (similar to CaF2 etc) so a possibility.
Ga2O3 is similar to Al2O3. We KNOW Al2O3 is almost completely insoluble. I would go with Ga2O3.
SALOME
Correct