[20ml" of "O_(0)LMH_(2)SO_(4)" salution is added to "],[30me" af "O_(*)2H" NHyOH sak."pH" af orslrat mentre: "],[" Coly af "NH_(4)OH=4.77]

20 mL of 0.1 M H_2SO_4 solution is added to 30 mL of 0.2 M NH_4OH solution. The pH of the resultant mixture is : [ pK_b of NH_4OH =4.7]

20mL of 0.1M(H_(2)SO_(4)) solution is added to 30mL of 0.2M(NH_(4)OH) soulution. The ._(p)H of the resultant mixture is : [(p)k_(b) " of " NH_(4)OH=4.7] .

20mL of 0.1M(H_(2)SO_(4)) solution is added to 30mL of 0.2M(NH_(4)OH) soulution. The ._(p)H of the resultant mixture is : [._(p)k_(b) " of " NH_(4)OH=4.7] .

Calculate the pH of the solutions when following conditions are provided: a. 20mL of M//10 CH_(3)COOH solution is titrated with M//10 solution of NaOH . i. No titration is carried out. ii. When 10mL of NaOH is added. iii. When 20mL of NaOH is added. iv. When 30mL of NaOH is added. (pK_(a) of CH_(3) COOH = 4.74) b. 20mL of M//10 NaOH solutions sio titrated with M//10 solution of CH_(3)COOH . i. No titration is carried out. ii. When 18mL of Ch_(3)COOH is added. iii. When 20mL of CH_(3)COOH is added. iv. When 40mL of CH_(3)COOH is added. c. 10mL of M//10 NH_(4)OH solution is titrated with M//10 solution of H_(2)SO_(4) . i. No titration is carried out. ii. When 4mL of H_(2)SO_(4) is added. iii. When 5mL of H_(2)SO_(4) is added. iv. When 10mL of H_(2)So_(4) is added. pK_(a) of NH_(4)OH = 4.76 d. 10mL of M//10H_(2)SO_(4) solution is titrated with M//10 solution of NH_(4)OH . i. No titration is carried out. ii. When 10mL of NH_(4)OH is added. iii. When 20mL of NH_(4)OH is added. When 40mL of NH_(4)OH is added.

Amount of (NH_(4))_(2)SO_(4) which must be added to 50mL of 0.2 M NH_(4)OH solution to yield a solution of pH 9.26 is ( pK_(b) of NH_(4)OH=4.74 )

To prepare a buffer of pH 8.26 , amount of (NH_(4))_(2)SO_(4) to be added into 500mL of 0.01M NH_(4)OH solution [pK_(a)(NH_(4)^(+))=9.26] is:

To prepare a buffer of pH 8.26 , amount of (NH_(4))_(2)SO_(4) to be added into 500mL of 0.01M NH_(4)OH solution [pK_(a)(NH_(4)^(+))=9.26] is:

20mL of H_(2)O_(2) solution is reacted with 80 mL of 0.05 M KMnO_(4) "in acidic medium then what is the volume strength of" H_(2)O_(2) ?

What will be the amount of (NH_(4))_(2)SO_(4) (in g) which must be added to 500 mL of 0.2 M NH_(4)OH to yield a solution of pH 9.35? ["Given," pK_(a)"of "NH_(4)^(+)=9.26,pK_(b)NH_(4)OH=14-pK_(a)(NH_(4)^(+))]

What will be the amount of (NH_(4))_(2)SO_(4) (in g) which must be added to 500 mL of 0.2 M NH_(4)OH to yield a solution of pH 9.35? ["Given," pK_(a)"of "NH_(4)^(+)=9.26,pK_(b)NH_(4)OH=14-pK_(a)(NH_(4)^(+))]