Question

1-What will be the molecular mass of two moles of water? *
2 points
18 gm
36gm
20 gm
32gm​

Answer 1

Answer:

mass of 1 mole of water = 2(mass of hydrogen)+mass of oxygen atom.

mass of 1 mole of water=2(1)+16  =18 gm.

so,2mass of 2 moles oh water = 2x18 gm   =36 gm.