How many resonance structures do these following acids have?

H2CO3-carbonic acid
H3PO4-phosphoric acid
H2SO4-sulfuric acid
HNO3-nitric acid
CH3COOH- acetic acid
CH2ClCOOH- chloroacetic acid
CHCl2COOH- dichloroacetic acid
CCl3COOH- trichloroacetic acid

1 answer

We can't draw structures on this forum. Do what I do; i.e., Google lewis structure ......and fll in the blank