Question

The approximate molar concentration of several chemicals are given. Find the pH of each use the calculator and round to the nearest 10th if necessary. Here is the photo of the question

Answer 1

Answer:

the other guy was correct except for water... water is 6.2 :)

Step-by-step explanation:

oven cleaner is 13

water is 6.2

blood is 7.4

Vinegar is 2.2

hope this helps :)  

Answer 2

Explanation:

Formula to calculate pH of a chemical or solution is as follows.

                    pH = $-log [H^{+}]$

Therefore, calculate the pH of given chemicals as follows.

1). Oven cleaner

              pH = $-log [H^{+}]$

                    = $-log [10^{-13}]$

                    =  13

2). Water

               pH = $-log [H^{+}]$

                     = $-log [7 \times 10^{-7}]$

                     = 6.15

3). Blood

               pH = $-log [H^{+}]$    

                     = $-log [4 \times 10^{-8}]$

                     = 7.40

4). Vinegar

                pH = $-log [H^{+}]$    

                      = $-log [63 \times 10^{-4}]$

                      = 2.20