Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The concentration of hydrogen ion in a sample of soft drink is 3.8  10-3 M. What is its pH?</p

The concentration of hydrogen ion in a sample of soft drink is 3.8 \times 10-3 M. What is its pH?

Option: 1

3.8


Option: 2

2.42


Option: 3

9.42


Option: 4

None of above


Answers (1)

best_answer

pH = -log [H+]

pH = -log [3.8 \times 10-3]
     =  -log(3.8) - log(10-3)
     = -0.58 - (-3)
     = 2.42
pH = 2.42 (solution is acidic)

Therefore, option(2) is correct

Posted by

Devendra Khairwa

View full answer

Similar Questions