Find the number of moles present in 50 grams of water.

Calculate the number of electrons present in 1.8 mg of water.

Find the number of moles of solute present in 500mL of 0.4M KMnO_(4) solution.

The number of oxygen molecules present in 100 grams of limestone is

The number of atoms present in 0.5 gram- atoms of Nitrogen is same as the atoms in

Number of particles present in 9 grams of aluminium

Find the number of moles of the solute present in 600ml of 0.05M solution.

Compare the number of particles in 18 grams of water and 12 grams of carbon. What conclusion can you draw?

The number of oxygen atoms present in 50 g of calcium carbonate is

Calculate the number of hydroxyl ions present in 100mL of pure water.