What is the hydronium ion concentration in a solution of hcl that has a ph of 4.65? × 10n m n = what is the hydroxide ion concentration in a solution of nh3 with a poh of 4.65? × 10n m n =

These are two questions and two answers:

1) What is the hydronium ion concentration in a solution of HCl that has a pH of 4.65?

i) Data:

pH = 4.65
[H₃O⁺] = ?

ii) Formula: pH = - log [H₃O⁺]

iii) Calculations: 

4.65 = - log [H₃O⁺] ⇒ [H₃O⁺] = 



2) What is the hydroxide ion concentration in a solution of NH3 with a pOH of 4.65?

i) Data:

pOH = 4.65
[OH⁻] = ?

ii) Formula: pOH = - log [OH⁻]

iii) Calculations: 

4.65 = - log [OH⁻] ⇒ [OH] = 

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