Determine the pH of a 0.2 M solution of pyridine `C_5H_5N. K_b= 1.5 xx 10^(-9)`

0.15 mol of pyridinium chloride is added to 500 mL 0.2 (M) pyridine solution. Determine the pH of the solution. Given: K_(b) (pyridine) =1.5xx10^(-9) and assume that volume of the solution does not change due to the addition of pyridinium chloride.

Calculate the pH of a 2.0 M solution of NH_4Cl. [K_b(NH_3)= 1.8 xx 10^(-5)]

Calculate the pH of a solution of ammonium acetate (Given : K_a= 1.78 xx 10 ^(-5) ,K_b= 1.8 xx 10 ^(-5) and K_w = 1.8 xx 10^(-14))

Calculate the pH of 500mL Solution of 1 M BOH (K_(b)=2.5xx10^(-5))

Calculate the pH of 500mL Solution of 1 M BOH (K_(b)=2.5xx10^(-5))

The pH of 0.01 (M) acetic solution at 25^@C ( K_a=1.85xx10^-5 )

What is the pH of a 0.200 M solution of C_6H_5COONa ? (The K_a of C_6H_5COOH is 6.4xx10^(-5) )

Calculate the hydrolysis constant. Degree of hydrolysis and pH of 0.5 M solution of NH_4Cl. ( Given : K_a = 1.78 xx 10 ^(-5) ,K_b= 1.8 xx 10 ^(-5) and K_w = 1.8 xx 10 ^(-14) )