314514 A buffer solution contains 0.1 mole of sodium acetate in \(1000 \mathrm{~cm}^{3}\) of \({\text{0}}{\text{.1}}\,\,{\text{M}}\) acetic acid. To the above buffer solution, 0.1 mole of sodium acetate is further added and dissolved. The \(\mathrm{pH}\) of the resulting buffer is equal to

314515 For an acid buffer solution the \(\mathrm{pH}\) is 3. The \(\mathrm{pH}\) can be increased by

314516 \(200 \mathrm{~mL}\) of \({\text{0}}{\text{.4}}\,\,{\text{M}}\) solution of \(\mathrm{CH}_{3} \mathrm{COONa}\) is mixed with \(400 \mathrm{~mL}\) of \({\text{0}}{\text{.2}}\,\,{\text{M}}\) solution of \(\mathrm{CH}_{3} \mathrm{COOH}\). After complete mixing, \(400 \mathrm{~mL}\) of \({\text{0}}{\text{.1}}\,\,{\text{M}}\) \({\text{NaCl}}\) is added to it. What is the \(\mathrm{pH}\) of the resulting solution? \({\text{[}}{{\text{K}}_{\text{a}}}\,{\text{of C}}{{\text{H}}_{\text{3}}}{\text{COOH = 1}}{{\text{0}}^{{\text{ - 5}}}}{\text{]}}\)

314517 An acidic buffer contains

314514 A buffer solution contains 0.1 mole of sodium acetate in \(1000 \mathrm{~cm}^{3}\) of \({\text{0}}{\text{.1}}\,\,{\text{M}}\) acetic acid. To the above buffer solution, 0.1 mole of sodium acetate is further added and dissolved. The \(\mathrm{pH}\) of the resulting buffer is equal to

314515 For an acid buffer solution the \(\mathrm{pH}\) is 3. The \(\mathrm{pH}\) can be increased by

314516 \(200 \mathrm{~mL}\) of \({\text{0}}{\text{.4}}\,\,{\text{M}}\) solution of \(\mathrm{CH}_{3} \mathrm{COONa}\) is mixed with \(400 \mathrm{~mL}\) of \({\text{0}}{\text{.2}}\,\,{\text{M}}\) solution of \(\mathrm{CH}_{3} \mathrm{COOH}\). After complete mixing, \(400 \mathrm{~mL}\) of \({\text{0}}{\text{.1}}\,\,{\text{M}}\) \({\text{NaCl}}\) is added to it. What is the \(\mathrm{pH}\) of the resulting solution? \({\text{[}}{{\text{K}}_{\text{a}}}\,{\text{of C}}{{\text{H}}_{\text{3}}}{\text{COOH = 1}}{{\text{0}}^{{\text{ - 5}}}}{\text{]}}\)

314517 An acidic buffer contains

314514 A buffer solution contains 0.1 mole of sodium acetate in \(1000 \mathrm{~cm}^{3}\) of \({\text{0}}{\text{.1}}\,\,{\text{M}}\) acetic acid. To the above buffer solution, 0.1 mole of sodium acetate is further added and dissolved. The \(\mathrm{pH}\) of the resulting buffer is equal to

314515 For an acid buffer solution the \(\mathrm{pH}\) is 3. The \(\mathrm{pH}\) can be increased by

314516 \(200 \mathrm{~mL}\) of \({\text{0}}{\text{.4}}\,\,{\text{M}}\) solution of \(\mathrm{CH}_{3} \mathrm{COONa}\) is mixed with \(400 \mathrm{~mL}\) of \({\text{0}}{\text{.2}}\,\,{\text{M}}\) solution of \(\mathrm{CH}_{3} \mathrm{COOH}\). After complete mixing, \(400 \mathrm{~mL}\) of \({\text{0}}{\text{.1}}\,\,{\text{M}}\) \({\text{NaCl}}\) is added to it. What is the \(\mathrm{pH}\) of the resulting solution? \({\text{[}}{{\text{K}}_{\text{a}}}\,{\text{of C}}{{\text{H}}_{\text{3}}}{\text{COOH = 1}}{{\text{0}}^{{\text{ - 5}}}}{\text{]}}\)

314517 An acidic buffer contains

314514 A buffer solution contains 0.1 mole of sodium acetate in \(1000 \mathrm{~cm}^{3}\) of \({\text{0}}{\text{.1}}\,\,{\text{M}}\) acetic acid. To the above buffer solution, 0.1 mole of sodium acetate is further added and dissolved. The \(\mathrm{pH}\) of the resulting buffer is equal to

314515 For an acid buffer solution the \(\mathrm{pH}\) is 3. The \(\mathrm{pH}\) can be increased by

314516 \(200 \mathrm{~mL}\) of \({\text{0}}{\text{.4}}\,\,{\text{M}}\) solution of \(\mathrm{CH}_{3} \mathrm{COONa}\) is mixed with \(400 \mathrm{~mL}\) of \({\text{0}}{\text{.2}}\,\,{\text{M}}\) solution of \(\mathrm{CH}_{3} \mathrm{COOH}\). After complete mixing, \(400 \mathrm{~mL}\) of \({\text{0}}{\text{.1}}\,\,{\text{M}}\) \({\text{NaCl}}\) is added to it. What is the \(\mathrm{pH}\) of the resulting solution? \({\text{[}}{{\text{K}}_{\text{a}}}\,{\text{of C}}{{\text{H}}_{\text{3}}}{\text{COOH = 1}}{{\text{0}}^{{\text{ - 5}}}}{\text{]}}\)

314517 An acidic buffer contains