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Home / Doubts and Solutions/JEE/Chemistry

ques 21

Asked by chandanbr6004 12th December 2017, 11:26 PM
Answered by Expert
Answer:
left square bracket H to the power of plus right square bracket space equals space C subscript H to the power of plus end subscript space equals 10 to the power of negative p H end exponent space m o l divided by L sin c e space w e space h a v e space p H space equals space 13 C subscript H to the power of plus end subscript space equals 10 to the power of negative 13 end exponent space m o l divided by L i. e. comma space 1000 space m l space o f space s o l u t i o n space c o n t a i n s space 10 to the power of negative 13 end exponent space m o l space o f space H to the power of plus i o n s. space T h u s space 1 c c equals 1 m l space o f space s o l u t i o n space w i l l space c o n t a i n 10 to the power of negative 13 end exponent over 1000 cross times 1 space equals space 10 to the power of negative 16 space end exponent m o l space H to the power of plus i o n s N u m b e r space o f space H to the power of plus space i o n s equals left parenthesis n subscript H to the power of plus end subscript right parenthesis space cross times space left parenthesis A v o g a d r o apostrophe s space c o n s tan t right parenthesis space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 10 to the power of negative 16 space end exponent cross times space 6.022 cross times 10 to the power of 23 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 6.022 space cross times 10 to the power of 7
Answered by Expert 13th December 2017, 9:37 AM
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