The concentrations of hydrogen ion in two solutions are (a).1×10-4moldm and (b).5×10-9moldm. What is the pH of each solutions?

(a) pH=4.0

(b) pH=8.3

Explanation:

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In this case, since the pH is understood as the potential of the hydrogen in an aqueous solution, and we can calculate it is as follows:

We simply need to plug in the concentrations on each question as shown below:

(a)

(b)

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indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.