SOLUTION: A.Using the definition pH = -log[H^+] where [H^+] is the hydrogen ion concentration, find the pH of coffee with a hydrogen ion concentration of: [H^+] = 5*10^-6 B.Using the def

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A.Using the definition pH = -log[H^+] where [H^+] is the hydrogen ion concentration, find the pH of coffee with a hydrogen ion concentration of: [H^+] = 5*10^-6 B.Using the def      Log On


   

Question 689242: A.Using the definition pH = -log[H^+] where [H^+] is the hydrogen ion concentration, find the pH of coffee with a hydrogen ion concentration of:
[H^+] = 5*10^-6
B.Using the definition above find the hydrogen ion concentration of lemonade having a pH of 3.5
Answer by fcabanski(1391) About Me  (Show Source):
You can put this solution on YOUR website!

A. 5 x 1-^-6 is 5 with the decimal moved 6 places left which is .000005


-log(.000005) = 5.301030

B. 3.5 = -log(H+) ---> -3.5 = log(H+) ---> antilog(-3.5) = H+ concentration (use the 10^x key on the calculator): 3x10*-4

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