Part a
what is the ph of an aqueous solution with [h3o+]=2×10−14 m?
express the ph numerically using one decimal place.
part b
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 3.120?
express the molar concentration numerically using three significant figures.

The answer to your question is below

Explanation:

A.

[H₃O⁺] = 2 x 10⁻¹⁴ M

pH = ?

Formula

                                    pH = - log [H₃O⁺]

Substitution

                                    pH = - log [2 x 10⁻¹⁴]

Result

                                    pH = 13.7          

B.

[H₃O⁺] = ?

pH = 3.12

Formula

                                   pH = - log [H₃O⁺]

Substitution

                                   3.12 = - log [H₃O⁺]

Result

                                  [H₃O⁺] = 7.59 M

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a galvanic cell( aka voltaic cell) and electrolytic cell

explanation:

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