State the number of water molecules present in crystal of washing soda and plaster of paris. What are these water molecules called as?

State the number of water molecules present in crystals of washing soda and plaster of paris. What are these water molecules called as?

Calculate the number of molecules present in 1 g of water.

How many water molecules are present in washing soda?

calculate the number of molecules present in the 36 g water .

The number of water molecules present in butter often is ..........

The number of water molecules present in a drop of water weighing 0.018 g is