The equation for the pH of a substance is pH = -log[H'], where H+ is the concentration of hydrogen ions. Which equation
models the concentration of hydrogen ions (H) of a solution whose pH is 72?
[H] = log72
[H"] = -log72
[H] = 10-72
[H] = 1072

2

step-by-2step explanation:

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

answer: what statements

step-by-step explanation if you write the statements down then i could you.

2

step-by-step explanation: