Which of the following has the greatest mass, in grams? (2 points)
group of answer choices

1.0 mol mercury (hg) atoms

25 atoms of mercury (hg)

1 atom of gold (au)

2.0 mole of chlorine (cl) atoms

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

What three natural resources are found in the great lakes region

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.