From the following question, what do you "have"? How many grams are there in 2.4 moles of O2?
Have:
Want:
O 2.4 moles
32.0 g
grams
O 76.8 g

b..

is the correct one

explanation:

covalent bonds form as valence electrons are shared between two atoms. lewis structures and structural formulas are common ways of showing the covalent bonding in organic molecules. formal charge describes the changes in the number of valence electrons as an atom becomes bonded into a molecule.

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