1. 7.47g of blue copper (ii) tetraoxosulphate (iv) crystals , CuSO4. 5H2O were heated in...

1. 7.47g of blue copper (ii) tetraoxosulphate (iv) crystals , CuSO4. 5H2O were heated in a crucible to a constant mass . first at a temperature of 1100c and then at 1300C , the residue that was obtained at 1100C weighed 5.3lg and that obtained at 1300C weighed 4.77g . calculate the stage of dehydration reached at 1100C and 1300C respectively b. in a tabular form , highlight one importance each of the following acid
i. Hydrochloric acid
ii. Tetraoxosulphate (iv) acid
iii. Ethanoic acid
c. using equation , show the formation of hydronium ions in an aqueous solution of tetraoxosulphate (iV) acid
2. Write short notes on the following?

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Asked by Aishat on 18th August, 2025