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For each of the following solutions, calculate [OH-] from [H3O+], or [H3O+] from

ID: 788984 • Letter: F

Question

For each of the following solutions, calculate [OH-] from [H3O+], or [H3O+] from [OH-].

Classify each solution as acidic, basic, or neutral.


A.) [H3O+] = 2.4 x 10-4 M


B.) Is this solution acidic, basic or neutral?


C.) [H3O+] = 2.4M


D.)  Is this solution acidic, basic or neutral?


E.) [OH-] = 5.3 x 10-9M


F.)  Is this solution acidic, basic or neutral?


G.) [OH -] = 1.6 x 10-3M


H.)  Is this solution acidic, basic or neutral?


I.) [OH-] = 1.0 x 10-7


J.)  Is this solution acidic, basic or neutral?


I have no idea to do this problem. Please list steps and answers so you go so I can understand.


THANK YOU!!!

Explanation / Answer

note that [OH-][H+]=10^-14

and if [H3O+]>10^-7 then it acidic and if [H3O+]<10^-7 it is basic

similarly,

if [OH-]>10^-7 then basic else acidic

if [H3O+]=[OH-]=10^-7 then neutral solution

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