JEE Main Chemistry question
A buffer solution has equal volumes of 0.2 M and 0.02 M . The of the base is 5. The pH is
Answer: (A)
Solution
pOH=pK_b+\log([salt]/[base])=5+\log(0.02/0.2)=5-1=4. .
A buffer solution has equal volumes of 0.2 M and 0.02 M . The of the base is 5. The pH is
pOH=pK_b+\log([salt]/[base])=5+\log(0.02/0.2)=5-1=4. .