Chemistry
Identify the name of the salt on the basis of the following description.
(a) A salt prepared by the action of strong acid on metal.
(b) A nitrate which decomposes into its respective metal on heating.
Acids Bases Salts
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Answer
(a) Magnesium sulphate (MgSO4)
(b) Silver nitrate (AgNO3)
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Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3. Explain why?
Concentrated nitric acid oxidises phosphorus to phosphoric acid according to the following equation:
P + 5HNO3 ⟶ H3PO4 + 5NO2 + H2O
(a) What mass of phosphoric acid can be prepared from 3.1 g of phosphorus?
(b) What mass of nitric acid will be consumed at the same time?
Complete and balance the equations.
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