1.15
The pH of a solution is a measure of the molar concentration of hydrogen ions in the solution and as such is a measure of the acidity or basicity of the solution. The letters pH stand for power of hydrogen and numerical value for pH is just the negative of the power of 10 of the molar concentration of H+ ions.
pH = -log(hydronium concentration) [Hydronium is H3O.-log(1 x 10-9) = 9
The solution to this problem is simple if you just work backwards. pH= -log10[H+] You already know what your pH is, so write your equation like this: 4.3= -log10[H+] An understanding of basic logarithm properties lets you know that you can rewrite the equation like this: 10-4.3= [H+] 5.0 *10-5 = [H+]
H + concentration, Molarity, = 2.3 X 10 -6 M. You need to be clear in science as not everyone will figure out what you mean.- log(2.3 X 10 -6 M)= 5.6 pH======
The pH of a solution can be calculated using the formula: pH = -log[OH-]. Therefore, for a solution with [OH-] concentration of 10-12 M, the pH would be 12.
- log(2.3 X 10 -12 ) = 11.6 pH -----------------very little H + concentration in this solution.
The pH of a solution can be calculated using the formula pH = -log[H+]. Substituting the given value of [H+] = 7.0 x 10^-12 into the formula gives pH = -log(7.0 x 10^-12) ≈ 11.2. Therefore, the pH of the solution is approximately 11.2.
The pH of a solution with a hydrogen ion concentration of 10^-12 M is 12. pH is calculated as -log[H+], where [H+] is the concentration of hydrogen ions in moles per liter. A hydrogen ion concentration of 10^-12 M corresponds to a pH of 12.
The pH of a solution with a hydrogen ion concentration of 1.0 x 10^-7 M is 7.0. This is considered neutral on the pH scale.
11.15
11.15
100 times. (10^2)
- log(2.3 X 10 -12 ) = 11.6 pH -----------------very little H + concentration in this solution.
A solution with a pH of 13 is 1000 times more basic than a solution with a pH of 10. This is because the pH scale is logarithmic, with each unit representing a 10-fold difference in acidity or alkalinity.
The pH of a solution with an H+ concentration of 7.0 x 10^-12 is 11.15. This is calculated by taking the negative logarithm (to base 10) of the H+ concentration.
The hydrogen ion concentration in a solution with a pH of 11.27 is 5.01 x 10^-12 mol/L.