If water is present, the copper (II) sulphate turns blue. A positive test for the presence of water will mean the copper (II) sulphate turns blue. Hydrated ...

Using anhydrous copper(II) sulfate to test for water If you add water to white anhydrous copper(II) sulfate, it turns blue again as it goes back to the ...

10 окт. 2024 г. · Chemical tests for water. The presence of water is commonly tested for using anhydrous cobalt(II) chloride or anhydrous copper(II) sulfate ...

31 мая 2020 г. · ... tests for water. 1. Water turns anhydrous copper sulfate (white) into ... Water of crystallization and copper sulphate | Water | Chemistry.

5 авг. 2024 г. · Chemical test for water: CuSO 4 (s) + 5H 2 O (l) → CuSO 4 .5H 2 O (s). Copper sulfate turns a light blue colour in the presence of water.

Copper sulphate formula is therefore CuSO4. White anydrous copper sulphate that has been in contact with water becomes hydrated copper sulphate and turns blue.

17 янв. 2023 г. · By adding copper sulphate to water and measuring the amount of copper ions present, scientists can determine the concentration of other metals ...

10 янв. 2023 г. · Add anhydrous copper (II) sulfate (CuSO4) to a sample. If water is present the anhydrous copper (II) sulfate will change from white to blue.

Condensing the vapour produced in a second test tube collects the water. The white anhydrous copper(II) sulfate is then rehydrated and the blue colour returns.