The ph expresses thevmolar concentration of s hydronium ions in an aqueous solut

Question

The ph expresses thevmolar concentration of s hydronium ions in an aqueous solution on a logarithmic scale. Ph=-log (H3O+) (H3O+) = 10 -ph As ph decreases acidity increases. As ph increases, acidity decreases. . Acidic solution: ph< 7 . Neutral solution : ph =7 . Basic solution: ph> 7
What is the ph of an aqueous solution with (H3O+) = 4x10 -13 M? Ph=_________ express thrvph numerically using ONE decimal place.
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O+ in a cola that has a ph of 4.240? (H3O+) = value, units
Part C -rank the following from most to least acidic. Also, rank items as equivalent
1-ph=3 2-ph=5 3- (H3O+) = 10!-2 4- ph= 14 5- (H3O+) = 10-6 The ph expresses thevmolar concentration of s hydronium ions in an aqueous solution on a logarithmic scale. Ph=-log (H3O+) (H3O+) = 10 -ph As ph decreases acidity increases. As ph increases, acidity decreases. . Acidic solution: ph< 7 . Neutral solution : ph =7 . Basic solution: ph> 7
What is the ph of an aqueous solution with (H3O+) = 4x10 -13 M? Ph=_________ express thrvph numerically using ONE decimal place.
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O+ in a cola that has a ph of 4.240? (H3O+) = value, units
Part C -rank the following from most to least acidic. Also, rank items as equivalent
1-ph=3 2-ph=5 3- (H3O+) = 10!-2 4- ph= 14 5- (H3O+) = 10-6 (H3O+) = 10 -ph As ph decreases acidity increases. As ph increases, acidity decreases. . Acidic solution: ph< 7 . Neutral solution : ph =7 . Basic solution: ph> 7
What is the ph of an aqueous solution with (H3O+) = 4x10 -13 M? Ph=_________ express thrvph numerically using ONE decimal place.
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of H3O+ in a cola that has a ph of 4.240? (H3O+) = value, units
Part C -rank the following from most to least acidic. Also, rank items as equivalent
1-ph=3 2-ph=5 3- (H3O+) = 10!-2 4- ph= 14 5- (H3O+) = 10-6

Explanation / Answer

A)

[H3O+] = 4 x10^ -13 M

pH = -log [H3O+]

pH = -log (4 x 10^-13)

pH = 12.4

part B)

pH = 4.240

[ H3O+] = 10^-pH

             = 10^-4.240

            = 5.75 x 10^-5 M

part C)

most acidic to least acidic   : 3 > 1 > 2 > 5 > 4

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