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Name a salt that can be prepared by the reaction of an acid with an insoluable base.

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brandih | eNotes Employee

Posted July 14, 2013 at 4:07 PM via web

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Name a salt that can be prepared by the reaction of an acid with an insoluable base.

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sciencesolve | Teacher | (Level 3) Educator Emeritus

Posted July 14, 2013 at 4:57 PM (Answer #1)

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The salts can be prepared using three processes: filtration, titration and filtration+precipitation.

The process that uses a insoluble base that reacts with an acid to make a soluble salt is called filtration.

The processes that uses a insoluble base that reacts with an acid to make an insoluble salt are called filtration+precipitation.

Since the problem does not specify if the product of reaction is a soluble or insoluble salt, you can consider the following two reactions, one reaction produces a soluble salt, the other produces an insoluble salt, such that:

- copper oxide reacts with sulphuric acis to produce the soluble salt copper sulphate, with the following balanced chemical reaction:

`CuSO_4 + H_2SO4 -gt CuSO_4 + H_2O`

- lead oxide reacts with nitric acid to produce lead nitrate that reacts with aqueous iodide to produce lead iodide, with the following balanced chemical reactions:

`HNO3 + PbO (s) -gt Pb(NO3)2 + H2O`

`2 KI + Pb(NO3)2 -gt PbI2 + 2 KNO3`

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