In the equilibrium system
CH 3 COOH(aq) + H 2 O(l) ⇌ H 3 O + (aq) + CH 3 COO – (aq)
which of the following species is present in the highest concentration?
a. CH 3 COOH
b. H 3 O +
c. CH 3 COO –
d. The concentrations of CH 3 COOH, H 3 O + and CH 3 COO – are equal.

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

What does the process of natural selection involve

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.