Question

Total no of atoms represesnted by
cuso4.5h2o is

Answer 1

CuSO₄.5H₂O

• 1 atom of Cu (Copper
• 1 atom of S (Sulphur)
• 9 atoms of O (Oxygen)
• 10 atoms of H (Hydrogen)

Total Sum = 21 atoms in reaction

What is this compound?

CuSO₄.5H₂O is a hydrated compound which means that 5 molecules of water attached to Copper Sulphate.

If this compound is heated then those 5 molecules of water will evaporate and will leave behind a white colour dehydrated precipitate.

On adding water again we will obtain CuSO₄.5H₂O which is blue in colour.