Which buffer system is found in the human body?

a. sodium chloride buffer system
b. sodium acetate-acetic acid buffer system
c. phosphate buffer system
d. cyanide buffer system

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Which characteristics can be used to differentiate star systems? check all that apply.

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both