Give the number of molecules present in 1.8 g water.

At room temperature the no of molecules present in 1 drop of water (volume 0.0018 mL and density 1g/cc) is-

Calculate the number of gram-molecule present in 14.7g of H_(2)SO_(4) .

Give the number of molecules is 2 g hydrogen.

What is the mass of 1 millimon of ammonia ? Also find the number of ammonia molecules present in it.

If the number of gram-molecule present in 4.8g of oxygen and x g of nitrogen be equal, calculate the value of x.

Calculate the no. of molecules present in one drop of water of mass 0.05 g

Write the number of molecules present in one millions of SO_2

What is the mass of 1 million of ammonia? Also find the number of ammonia molecules presents in it.

Calculate the number of particles present in 0.1g electron.