If the water molecules in `1.0 g` of water were distributed uniformly over the surface of earth, how many such molecules would there be in `1.0 cm^2` of earth's surface ?

If the water molecules in 1 g of water were distributed uniformaly over the surface of the earth, how many molecules would there be in 1 m^(2) of the earth's surface (radius of the earth = 64 km)?

If the water molecules in 1 g of water were distributed uniformaly over the surface of the earth, how many molecules would there be in 1 m^(2) of the earth's surface (radius of the earth = 64 km)?

How many molecules of water are there in 36g water?

How many water molecules are present in 18g of water?

How many mole of water molecules are present in 1.8 mL of water?

How many molecules are present in 9g of water ?

The region of water on the surface of the earth is called the