315001 Which of the following solutions will have \(\mathrm{pH}\) close to 1.0 ?

315002 What is \(\left[\mathrm{H}^{+}\right]\) of a solution having \({\rm{0}}{\rm{.1}}\,{\rm{M}}\,{\rm{HCN}}\) and \({\rm{0}}{\rm{.2}}\,{\rm{M}}\,{\rm{NaCN?}}\) \({\rm{(}}{{\rm{K}}_{\rm{a}}}\,{\rm{for}}\,\left. {{\rm{HCN}} = {\rm{6}}{\rm{.2 \times 1}}{{\rm{0}}^{{\rm{ - 10}}}}} \right)\)

315003 The \(\mathrm{pH}\) of a solution obtained be mixing equal volume of \(\frac{{\text{N}}}{{{\text{10}}}}{\text{ NaOH}}\,\,{\text{and }}\frac{{\text{N}}}{{20}}{\text{HCl}}\) is

315004 \({\text{30 cc of }}\frac{{\text{M}}}{{\text{3}}}{\text{ HCl, 20 cc of }}{\mkern 1mu} \frac{{\text{M}}}{{\text{2}}}{\text{ HN}}{{\text{O}}_{\text{3}}}\) and \({\text{40}}\,\,{\text{cc}}\) of \(\dfrac{\mathrm{M}}{4} \mathrm{NaOH}\) solutions are mixed and the volume was made up to \({\text{1}}\,\,{\text{d}}{{\text{m}}^{\text{3}}}\). The \(\mathrm{pH}\) of the resulting solution is

315001 Which of the following solutions will have \(\mathrm{pH}\) close to 1.0 ?

315002 What is \(\left[\mathrm{H}^{+}\right]\) of a solution having \({\rm{0}}{\rm{.1}}\,{\rm{M}}\,{\rm{HCN}}\) and \({\rm{0}}{\rm{.2}}\,{\rm{M}}\,{\rm{NaCN?}}\) \({\rm{(}}{{\rm{K}}_{\rm{a}}}\,{\rm{for}}\,\left. {{\rm{HCN}} = {\rm{6}}{\rm{.2 \times 1}}{{\rm{0}}^{{\rm{ - 10}}}}} \right)\)

315003 The \(\mathrm{pH}\) of a solution obtained be mixing equal volume of \(\frac{{\text{N}}}{{{\text{10}}}}{\text{ NaOH}}\,\,{\text{and }}\frac{{\text{N}}}{{20}}{\text{HCl}}\) is

315004 \({\text{30 cc of }}\frac{{\text{M}}}{{\text{3}}}{\text{ HCl, 20 cc of }}{\mkern 1mu} \frac{{\text{M}}}{{\text{2}}}{\text{ HN}}{{\text{O}}_{\text{3}}}\) and \({\text{40}}\,\,{\text{cc}}\) of \(\dfrac{\mathrm{M}}{4} \mathrm{NaOH}\) solutions are mixed and the volume was made up to \({\text{1}}\,\,{\text{d}}{{\text{m}}^{\text{3}}}\). The \(\mathrm{pH}\) of the resulting solution is

315001 Which of the following solutions will have \(\mathrm{pH}\) close to 1.0 ?

315002 What is \(\left[\mathrm{H}^{+}\right]\) of a solution having \({\rm{0}}{\rm{.1}}\,{\rm{M}}\,{\rm{HCN}}\) and \({\rm{0}}{\rm{.2}}\,{\rm{M}}\,{\rm{NaCN?}}\) \({\rm{(}}{{\rm{K}}_{\rm{a}}}\,{\rm{for}}\,\left. {{\rm{HCN}} = {\rm{6}}{\rm{.2 \times 1}}{{\rm{0}}^{{\rm{ - 10}}}}} \right)\)

315003 The \(\mathrm{pH}\) of a solution obtained be mixing equal volume of \(\frac{{\text{N}}}{{{\text{10}}}}{\text{ NaOH}}\,\,{\text{and }}\frac{{\text{N}}}{{20}}{\text{HCl}}\) is

315004 \({\text{30 cc of }}\frac{{\text{M}}}{{\text{3}}}{\text{ HCl, 20 cc of }}{\mkern 1mu} \frac{{\text{M}}}{{\text{2}}}{\text{ HN}}{{\text{O}}_{\text{3}}}\) and \({\text{40}}\,\,{\text{cc}}\) of \(\dfrac{\mathrm{M}}{4} \mathrm{NaOH}\) solutions are mixed and the volume was made up to \({\text{1}}\,\,{\text{d}}{{\text{m}}^{\text{3}}}\). The \(\mathrm{pH}\) of the resulting solution is

315001 Which of the following solutions will have \(\mathrm{pH}\) close to 1.0 ?

315002 What is \(\left[\mathrm{H}^{+}\right]\) of a solution having \({\rm{0}}{\rm{.1}}\,{\rm{M}}\,{\rm{HCN}}\) and \({\rm{0}}{\rm{.2}}\,{\rm{M}}\,{\rm{NaCN?}}\) \({\rm{(}}{{\rm{K}}_{\rm{a}}}\,{\rm{for}}\,\left. {{\rm{HCN}} = {\rm{6}}{\rm{.2 \times 1}}{{\rm{0}}^{{\rm{ - 10}}}}} \right)\)

315003 The \(\mathrm{pH}\) of a solution obtained be mixing equal volume of \(\frac{{\text{N}}}{{{\text{10}}}}{\text{ NaOH}}\,\,{\text{and }}\frac{{\text{N}}}{{20}}{\text{HCl}}\) is

315004 \({\text{30 cc of }}\frac{{\text{M}}}{{\text{3}}}{\text{ HCl, 20 cc of }}{\mkern 1mu} \frac{{\text{M}}}{{\text{2}}}{\text{ HN}}{{\text{O}}_{\text{3}}}\) and \({\text{40}}\,\,{\text{cc}}\) of \(\dfrac{\mathrm{M}}{4} \mathrm{NaOH}\) solutions are mixed and the volume was made up to \({\text{1}}\,\,{\text{d}}{{\text{m}}^{\text{3}}}\). The \(\mathrm{pH}\) of the resulting solution is