The average atomic mass of oxygen is 15. 9994 amu. The atomic masses of its three isotopes are as follows: O-16: 15. 995 amu; O-17: 16. 999 amu; O-18: 17. 999 amu Which isotope is most likely to have the greatest abundance in nature? A. O-16 B. O-17 C. O-18 D. All three isotopes may be equally abundant.

An experimental procedure requires a 10 ml of acid to be dissolved

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

What type of organic molecule comprises the majority of a potato?