How much will 0.50 moles of NaNO3 weigh

42.497335 grams

Explanation:

1 mole is 84.99467 grams.

All we have to do is divide 84.99467 in half since all we need 0.5 of a mole

84.99467 ÷ 2 = 42.497335

i hope this helps

Give brianliest if you please

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.