.Write the formulae of the following salts by criss-cross
method.Potassium sulphate
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Answer:
1. Valency of sodium- 1+ valency of HCO3- 1-formula- NaHCO32. Valency of Fe- 2+ valency
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Explanation:
The formula of potassium sulfate is K2SO4. In potassium sulfate, the cation is sodium ion and anion is zincate ion. The symbol and charge of sodium ion is Na+. The symbol and charge of zincate ion is Zn(OH)42−
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