Conjugate acid of  CH₃N₂

Conjugate acid of  OH^-

Conjugate base of  HCO₃ ^-

CO₃^-2

Conjugate base of HClO₄

ClO₄ ^-

Conjugate acid of H₂O

H₃O⁺

Which of the following solutions will have the highest pH?  You must support your 

answer with appropriate calculations.

Determine if the pH of an aqueous solution of each of the following                          

is < 7, = 7, or > 7.

NH₄NO₂

pH < 7 

Salt of a weak base and a weak acid

Determine if the pH of an aqueous solution of each of the following                          

is < 7, = 7, or > 7. 

MgCl₂

pH = 7 

Salt of a strong base and a strong acid

Determine if the pH of an aqueous solution of each of the following                          

is < 7,= 7, or > 7. 

SrF₂

pH > 7 

Salt of a strong base and a weak acid

Determine if the pH of an aqueous solution of each of the following                          

is < 7, = 7, or > 7. 

CH₃NH₃I 

pH < 7 

Salt of a weak base and a strong acid