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Solubility Guidelines for
Compounds in AqueousSolutions
It is very important that you know these guidelines andIt is
ve
ry important that you know these guidelines andhow to apply them
in reactions.how to a
pply them in reactions.
1) Common inorganic acids and low-molecular-weight organic acids
are water soluble.
2) All common compounds of the Group IA metalions and the
ammonium ion are water soluble.
–
LiLi++, NaNa++, KK++, RbRb++, CsCs++, and
NHNH44++
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) Common nitrates, acetates, chlorates, and perchlorates are
water soluble. –
NONO33, CHCH33COOCOO, ClOClO33, and ClOClO44
!) Common chlorides are water soluble. – "#ceptions –
A!ClA!Cl, H!H!""ClCl"", $ #bCl#bCl""
– Common bromides and iodides beha%e similarl& to
chlorides.
– Common fluorides are water soluble.' "#ceptions –
$!%$!%"", Ca%Ca%"", Sr%Sr%"", &a%&a%"",
and #b% #b%""
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() Common sulfates are water soluble. – "#ceptions
– #bSO#bSO44, &aSO&aSO44, $ H!SOH!SO44
– oderatel& soluble
– CaSOCaSO44, SrSOSrSO44, $ A!
A!""SOSO44
*) Common metal h&dro#ides are water
insolubleinsoluble. – "#ceptions – LiOH' NaOH' KOH' RbOHLiOH'
NaOH' KOH' RbOH $ CsOH CsOH
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+) Common carbonates, phosphates, and arsenates are water
insolubleinsoluble. – COCO33"", #O#O4433,
$ AsOAsO4433
– "#ceptions- (A metals(A metals and NHNH44++
&aCO&aCO33 is moderately solubleis moderately
soluble
– oderatel& soluble – $!CO$!CO33
) Common sulfides are water insolubleinsoluble. –
"#ceptions – (A metals(A metals and NHNH44++ plus
((A metals((A metals
