0.5" mole of water molecules? "

If the mass of one molecule of water is 18 amu, what is the mass of one mole of water molecules?

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

How many moles of water molecules are present in 3.8 x 10^(-8) g of water?

What is the mass of 0.5 mole of ozone molecule?

What is the mass of 0.5 mole of ozone molecule?

The volume of water molecule is (Take, density of water is 10^(3) kg m^(-3) and Avogadro' number =6 X 10^(23) mole^(-1))

The number of water molecules in a drop of water weighing 5 mg is