Question

(a) write the difference between the 2H and H2 ?
(b) H2O and 3H20 ?​

Answer 1

a) 2H represents two molecules of hydrogen where as H2 represents two atoms of hydrogen

b)H2O represents that the compound contains two atoms of hydrogen and one atom of Oxygen whereas 3 H2O represents that the compound has 6 atoms of hydrogen and three atoms of oxygen

Answer 2

Answer:

2H is 2 moles of hydrogen and H2 is two atom of hydrogen that are bonded together with a covalent bond.

H2o is 1 mole of H2o and anthor is 3 moles of H2o.