319190 250 mL of a sodium carbonate solution contains 2.65 grams of \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}\). 10 mL of this solution is added to x mL of water to obtain 0.001 M \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}\) solution. What is the value of x in mL?
\(\left( {{\rm{Molecular}}{\mkern 1mu} {\mkern 1mu} {\rm{weight}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}{\mkern 1mu} {\mkern 1mu} {\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}{\rm{ = 106}}} \right)\)

319191 The molarity of 0.006 mole of NaCl in 100 ml solution is

319192 To neutralise completely \(20 \mathrm{~mL}\) of \(0.1 \mathrm{M}\) aqueous
solution of phosphorous acid \(\left(\mathrm{H}_{3} \mathrm{PO}_{3}\right)\), the value
of \(0.1 \mathrm{M}\) aqueous \(\mathrm{KOH}\) solution required is

319193 Equal volumes of 0.1 M \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\,\,{\rm{and}}\,\,{\rm{0}}{\rm{.2}}\,\,{\rm{M}}\,\,{\rm{NaCl}}\) are mixed. The concentration of \({\rm{NO}}_{\rm{3}}^{\rm{ - }}\) ions in the mixture will be

319190 250 mL of a sodium carbonate solution contains 2.65 grams of \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}\). 10 mL of this solution is added to x mL of water to obtain 0.001 M \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}\) solution. What is the value of x in mL?
\(\left( {{\rm{Molecular}}{\mkern 1mu} {\mkern 1mu} {\rm{weight}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}{\mkern 1mu} {\mkern 1mu} {\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}{\rm{ = 106}}} \right)\)

319191 The molarity of 0.006 mole of NaCl in 100 ml solution is

319192 To neutralise completely \(20 \mathrm{~mL}\) of \(0.1 \mathrm{M}\) aqueous
solution of phosphorous acid \(\left(\mathrm{H}_{3} \mathrm{PO}_{3}\right)\), the value
of \(0.1 \mathrm{M}\) aqueous \(\mathrm{KOH}\) solution required is

319193 Equal volumes of 0.1 M \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\,\,{\rm{and}}\,\,{\rm{0}}{\rm{.2}}\,\,{\rm{M}}\,\,{\rm{NaCl}}\) are mixed. The concentration of \({\rm{NO}}_{\rm{3}}^{\rm{ - }}\) ions in the mixture will be

319190 250 mL of a sodium carbonate solution contains 2.65 grams of \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}\). 10 mL of this solution is added to x mL of water to obtain 0.001 M \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}\) solution. What is the value of x in mL?
\(\left( {{\rm{Molecular}}{\mkern 1mu} {\mkern 1mu} {\rm{weight}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}{\mkern 1mu} {\mkern 1mu} {\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}{\rm{ = 106}}} \right)\)

319191 The molarity of 0.006 mole of NaCl in 100 ml solution is

319192 To neutralise completely \(20 \mathrm{~mL}\) of \(0.1 \mathrm{M}\) aqueous
solution of phosphorous acid \(\left(\mathrm{H}_{3} \mathrm{PO}_{3}\right)\), the value
of \(0.1 \mathrm{M}\) aqueous \(\mathrm{KOH}\) solution required is

319193 Equal volumes of 0.1 M \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\,\,{\rm{and}}\,\,{\rm{0}}{\rm{.2}}\,\,{\rm{M}}\,\,{\rm{NaCl}}\) are mixed. The concentration of \({\rm{NO}}_{\rm{3}}^{\rm{ - }}\) ions in the mixture will be

319190 250 mL of a sodium carbonate solution contains 2.65 grams of \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}\). 10 mL of this solution is added to x mL of water to obtain 0.001 M \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}\) solution. What is the value of x in mL?
\(\left( {{\rm{Molecular}}{\mkern 1mu} {\mkern 1mu} {\rm{weight}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}{\mkern 1mu} {\mkern 1mu} {\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{C}}{{\rm{O}}_{\rm{3}}}{\rm{ = 106}}} \right)\)

319191 The molarity of 0.006 mole of NaCl in 100 ml solution is

319192 To neutralise completely \(20 \mathrm{~mL}\) of \(0.1 \mathrm{M}\) aqueous
solution of phosphorous acid \(\left(\mathrm{H}_{3} \mathrm{PO}_{3}\right)\), the value
of \(0.1 \mathrm{M}\) aqueous \(\mathrm{KOH}\) solution required is

319193 Equal volumes of 0.1 M \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\,\,{\rm{and}}\,\,{\rm{0}}{\rm{.2}}\,\,{\rm{M}}\,\,{\rm{NaCl}}\) are mixed. The concentration of \({\rm{NO}}_{\rm{3}}^{\rm{ - }}\) ions in the mixture will be