bradeyb
contestada

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

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 class=

Respuesta :

Explanation:

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

                    pH = [tex]-log [H^{+}][/tex]

Therefore, calculate the pH of given chemicals as follows.

1). Oven cleaner

              pH = [tex]-log [H^{+}][/tex]

                    = [tex]-log [10^{-13}][/tex]

                    =  13

2). Water

               pH = [tex]-log [H^{+}][/tex]

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

                     = 6.15

3). Blood

               pH = [tex]-log [H^{+}][/tex]    

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

                     = 7.40

4). Vinegar

                pH = [tex]-log [H^{+}][/tex]    

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

                      = 2.20          

The values of pH are 13, 6.155, 7.398, and 2.2.

pH value

pH is defined as the negative logarithmic [tex]\rm H^{+}[/tex] ion concentration. Hence the meaning of the name pH is justified as the power of Hydrogen.

Given

Oven cleaner [[tex]\rm H^{+}[/tex]] = [tex]10^{-13}[/tex]

water  [[tex]\rm H^{+}[/tex]] = 0.0000007

Blood  [[tex]\rm H^{+}[/tex]] = 0.00000004

Vinegar  [[tex]\rm H^{+}[/tex]] = 0.0063

To find the value of pH?

We know the formula

pH = - log [[tex]\rm H^{+}[/tex]]

For oven cleaner

pH = - log [[tex]10^{-13}[/tex]]

pH = 13

For water

pH = - log [0.0000007]

pH = 6.155

For blood

pH = - log [0.00000004]

pH = 7.398

For vinegar

pH = - log [0.0063]

pH = 2.2

Thus the values of pH are 13, 6.155, 7.398, and 2.2.

More about the pH value link is given below.

https://brainly.com/question/1503669

Otras preguntas