The pH scale for acidity is defined by pH = − log 10 [ H + ] where [ H + ] is the concentration of hydrogen ions measured in moles per liter (M). (A) The pH of pure water is 7.0. Calculate the concentration of hydrogen ions in moles per liter ( M).
(B) The pH of apples is 3.0. Calculate the concentration of hydrogen ions in moles per liter (M).

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Step-by-step explanation:

g = (2, 2)

step-by-step explanation:

given the ratio is 1 : 1 then f is the midpoint of eg

let the coordinates of g = (x, y)

using the midpoint formula

(0 + x) = 1 ( multiply both sides by 2 )

0 + x = 2 ⇒ x = 2

similarly

(4 + y) = 3 ( multiply both sides by 2 )

4 + y = 6 ( subtract 4 from both sides )

y = 2

coordinates of g = (2, 2)