Question

what is the difference between 2h and h2

Answer 1

H2 is Molecular hydrogen. It is a molecule of hydrogen that consists of two hydrogen atoms bonded together by one single bond, thus H2 has two hydrogens.2H, on the other hand, denotes two moles of elemental hydrogen.

Answer 2

here, 2h means we are given two moles of H (hydrogen)
Whereas h2 means we are given one molecule of hydrogen.


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