Consider two solutions, solution a and solution b. [h+] in solution a is 500 times greater than that in solution b. what is the difference in the ph values of the two solutions?

The difference in the pH values of the two solutions is 2.7

Let the [H+] of solution B be 0.0001 M

Thus,

The [H+] of solution A = 0.0001 × 500 = 0.05 M

For solution A:

Hydrogen ion concentration [H+] = 0.0001 M

pH =?

pH = –Log [H+]

pH = –Log 0.0001

For solution B:

Hydrogen ion concentration [H+] = 0.05 M

pH =?

pH = –Log [H+]

pH = –Log 0.05

pH of solution A = 1.3

pH of solution B = 4

Difference = 4 – 1.3

Therefore, the difference in the pH values of the two solutions is 2.7

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The difference in the pH values of the two solutions is 2.7

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration.

a) For solution A, let  =

Putting in the values:

b) For solution B,  =

Putting in the values:

Thus the difference in pH will be (4-1.3)= 2.7.