How many gram molecules are present in 4.9g of `H_2SO_4`?

How many molecules are present in 1g N_2 ?

How many H_2O molecules are present in 90g of water

The molecular mass of water (H_2O) is 18. How many moles of molecules are there in 180g of H_2O ?

How many molecules are present in 5.23g of glucose (C_(6)H_(12)O_(6)) ?

In 90 gram of water, How many molecules are present in it?

How many atoms are present in 12g carbon?

The molecules mass of oxygen is 32: How many moles of molecules are there in 64g of oxygen? How many molecules are there in it?

How many molecules are present in 1 ml of water vpours at STP?

How many molecules are present in 1 equivalent of hydrogen?