Question

The equation for the pH of a substance is pH = -log[H*], where H+ is the concentration of hydrogen ions. A basic
solution has a pH of 11.2. An acidic solution has a pH of 2.4. What is the approximate difference in the concentratic
of hydrogen ions between the two solutions?
1.6x10-9
O4.0x10-3
O 6.7x10-1
O 1.6x10¹11

Answer 1

The approximate difference in the concentration of hydrogen ions between the two solutions is 4.0×10⁻³

What is pH value?

The pH of a solution is a measurement of the concentration of hydrogen ions in the solution, as well as its acidity or alkalinity. Normally, the pH scale ranges from 0 to 14.

pH value for basic solution = 11.2

pH value for acidic solution = 2.4

Concentration for a basic solution:

$\rm = 10^{-11.2}$

$= 6.309\times10^{-12}$

Concentration for an acidic solution:

$\rm = 10^{-2.4}$

$= 3.981\times10^{-3}$

Difference between the concentration:

$= 3.981\times10^{-3}- 6.309\times10^{-12}$

$= 3.98\times10^{-3}$

$= 4\times10^{-3}$

Thus, the approximate difference in the concentration of hydrogen ions between the two solutions is 4.0×10⁻³

Learn more about the pH value here:

brainly.com/question/1503669

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