Àcid hiposulfuroso

Classified in Chemistry

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Acids+MetalOxide>Salt+Water
Acid+Metalhydroxide>salt+water
acid+metalcarbonate>sal+water+carbondioxide
PH:1)13 2)1.4 3)25cm3
Copper sulphate crystals
Add black copper oxide in excess so you know
all the acid has reacted. Filter to remoce the excess copper oxide and obtain a puré solution of the soluble salt. Heat the solution until crystals form on a glass rod dipped into it. Then leave to cool slowly so that the crystals form. Different salta. Base has to be insoluble in water and the salt formed has to be soluble eg: mgcarbonate *hydrochloric acid>mgcloride

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