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And the &Awith increased pH12For a weak acid the OHAincreases: decreases increases; increases decreases: decreases decreases; increases is fixed; is fixedA) 8 E...

Question

And the &Awith increased pH12For a weak acid the OHAincreases: decreases increases; increases decreases: decreases decreases; increases is fixed; is fixedA) 8 E)

and the &A with increased pH 12 For a weak acid the OHA increases: decreases increases; increases decreases: decreases decreases; increases is fixed; is fixed A) 8 E)



Answers

When the pH of a solution changes from 3 to $8,$ the $\mathrm{H}^{+}$ concentration a) decreases as the solution becomes more basic. b) decreases as the solution becomes more acidic. c) increases as the solution becomes more acidic. d) increases as the solution becomes more basic. e) does not change as the solution becomes more basic.

Let's see what happens Each of the following as acidic strength increases for a, uh similarity of the each, plus increases for be pH will decrease acidic strength increases for C similarity of the O H. Minus will decrease as acidic strength increases. Um, for D, the P o. H increases as acidic strength increases and the key E increases as acidic strength increases.

Today we're looking at the pH scale. As you can see here, I've drawn a simple scale to represent the pH scale, which ranges from zero to 14. And in the center here is seven and seven, actually is neutral, so it is neither, and acid or base is neutral. So that's going to be your distilled water solutions. Anything ranging from a zero all the way up to a 6.9 is going to be considered an acid. Anything that is a 7.1 up to a 14 is going to be considered a base. And when you were doing pH tests, which you were actually looking at, is the concentration of hydrogen ions. So with an acid, it's actually going to have an increased number of hydrogen ions, whereas a base is going to have less hydrogen ions in the solution. So on. Acid is going to test at a low pH between 0 to 6.9 and have an increased number of hydrogen ions, whereas a base is going to have a lower number of hydrogen ions and a high ph

Chapter four for sedition. Same concentrations. Ask her Strength increases What happens to the falling? They increased decrease. Er, Susie. So let's remember what acidity acidity is the measurement of how stronger trying your acid is. As I remember your acid associates as acid a J will be converted h plus and a minus. And the more this what and the more price you having the right b s. The more direction goes to write eight and be more Siddiqui work. So since your acid will produce more strong your acid, the more proton she'll produce than proton concentration will increase as a city increase. Now Ph remember P h. That's negative log of h concentration. So that means that as as as a proton concentration increases, that means that Pete p ages going to decrease now. Ohh Concentration. Now remember, Proton contrition and hydroxide concentration are inverse of early as one in as one increases, the other decreases decreases. So as pro sign concentration increases hydroxide, constellation is gonna increase. Now remember, just like p o h and H plus Sorry, just like peach and H plus concentration are university related. So are always smiles and P O. H. because p o. H. Is issued the negative log of appeal. That's because he Ohh! Just negative log of hydroxide concentration. So this is going to increase now. K A k a is how fair? Hold this forward reaction is H A yields H plus plus a minus. How much your reaction. This shift of the right. So that means that s K gets greater than the reaction's gonna shit for the right. And that means it's gonna become more sitting.

In this problem were asked if the pH of a solution increases or decreases with an increasing hydrogen ion concentration were asked to explain our answer. So we find that when we haven't increasing hydrogen ion concentration, or ph actually decreases and we can see that this is true. Based on this formula given here, where if our hydrogen ion concentration is increasing, here are Ph will actually be decreasing.


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