A solution contains 8 moles of solute and the mass of the solution is 4 kg. What’s the molality of this solution?

A piece of iron is 5 inches long. How much would it be in centimeters?

Rasopanishada says how the gunpowder mixture is used in war.

Which of the following is a chemical change?

What’s the number of entities or particles together in mole concept known as?

In glucose simplest ratio between C, H and O is ____

1 u = Ma/NA.

Who proposed Law of Conservation of Mass?