Oxalic acid, H2C2O4, is a weak polyprotic acid. Which molecule or ion is present in the least concentration in an aqueous solution of oxalic acid

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Which three statements represent the benefits of performing experiments using computer simulations?

Gravitational potential energy is related to