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[" 14.Fixed volume of "0.1M" benzoic aci...

[" 14.Fixed volume of "0.1M" benzoic acid (pK "_(a)=4.2" ) solution is added into "0.2" Msodium benzoate "],[" solution and formed a "300mL" ,resultant acidic buffer solution.If pH of this buffer solution is "],[4.5" then find added volume of benzoic acid: "],[[" (a) "100mL," (b) "150mL," (c) "200mL," (d) None of these "]],[[" (a) "100mL," (b) "150mL," (c) "200mL," (d) None of these "]]

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