Question

Please need help right away been trying to get help on this for hours so re-posting. Will fan and give a medal.

What is the pH of a solution with a concentration of 2.4 × 10-5 molar H3O+? Show, or explain, the work used to solve this problem.

Answer 1

pH is defined as pH = -log[H3O+]. Note that this is log base 10. Just punch the following into a calculator

-log(2.4 x 10^-5)

But make sure that when you use a calculator you use a key labeled EE to put in the x10^-5 part. It should read 2.4E-5.

Answer 2

try this

http://openstudy.com/study#/updates/51e574e9e4b04edf24848038

Answer 3

I saw that but i need more
I can't get the answer to turn out

Answer 4

pH is defined as pH = -log[H3O+]. Note that this is log base 10. Just punch the following into a calculator

-log(2.4 x 10^-5)

But make sure that when you use a calculator you use a key labeled EE to put in the x10^-5 part. It should read 2.4E-5.

Answer 5

try what he/she posted^^^^^^^^^^^

Answer 6

I'm a girl ^_~ lol

Answer 7

lol ok

Answer 8

i still need more can either of you help me

Answer 9

lemme find a calculator

Answer 10

thanks i have to show and explain my answer and how i got it

Answer 11

-1.2787536009528289
thats what i got from the calculator

Answer 12

hmm so i need to explain it ok thanks

Answer 13

sorry i cant explain it