Of the following solutions, which has the greatest buffering capacity? A) 0.121 M HF and 0.667 M NaF B) 0.821 M HF and 0.217 M NaF C) 0.821 M HF and 0.909 M NaF D) 0.100 M HF and 0.217 M NaF E) They are all buffer solutions and would all have the same capacity

Which of these conditions most likely produces an unstable isotope?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Which fact represents evidence for the big bang theory?