Solubility Rules Flashcards

1
Q

Group 1 Ions (Li+, Na+, etc…)

A

ALWAYS SOLUBLE

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2
Q

Ammonium (NH4+)

A

ALWAYS SOLUBLE

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3
Q

Nitrates (NO3-)

A

ALWAYS SOLUBLE

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4
Q

Acetates (C2H3O2- or CH2COO-)

A

AgC2H3O2 is moderately soluble, everything else is ALWAYS SOLUBLE

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5
Q

Chlorates

A

ALWAYS SOLUBLE

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6
Q

Halides (EXCEPT F-)

A

Soluble EXCEPT Ag+ Pb2+ Hg2+
PbCl2 is slightly soluble in cold water and moderately soluble in warm water

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7
Q

F-

A

Soluble EXCEPT Pb2+ Mg2+ Ca2+ Sr2+ Ba2+

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8
Q

Sulfates

A

Soluble EXCEPT Ba2+ Pb2+ Ca2+ Sr2+

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9
Q

Carbonates
Phosphates

A

Insoluble EXCEPT Group 1 ions (Alkali) and NH4+

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10
Q

Chromates

A

Insoluble EXCEPT Group 1 ions (Alkali) Sr2+ Ba2+ B3+
Ca2+ somewhat soluble

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11
Q

Sulfides

A

Insoluble EXCEPT Group 1 ions (Alkali) NH4+
Ca2+ Ba2+ Sr2+ Somewhat / Slightly soluble

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12
Q

Hydrogen Carbonate

A

ALWAYS SOLUBLE

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13
Q

Hydroxides (OH-)

A

INSOLUBLE EXCEPT Group 1 ions (Alkali) Ca2+ Ba2+ Sr2+ or NH4+

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