330180 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) is reduced by electrolysis at low potentials and high currents. If \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{\rm{4}}}\) amperes of current is passed through molten \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) for 6 hours, what mass of aluminium is produced? (Atomic mass of \({\rm{Al = 27}}\,\,{\rm{g}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\))

330181 A current is passed through 2 voltmeters connected in series. The first voltmeter contains \(\mathrm{XSO}_{4}(\mathrm{aq})\) and second has \(\mathrm{Y}_{2} \mathrm{SO}_{4}(\mathrm{aq})\). The relative atomic masses of X and Y are in the ratio of 2: 1 . The ratio of the mass of X liberated to the mass of Y liberated is

330182 A certain quantity of electricity is passed through an aqueous solution of \(\mathrm{AgNO}_{3}\) and cupric salt solution connected in series. The amount of silver deposited is \(1.08 \mathrm{~g}\). The amount of copper deposited is \((\mathrm{AW}\). of \(\mathrm{Cu}=63.54 ; \mathrm{Ag}=108)\)

330183 How many faradays are required to reduce 1 mol of \({\rm{MnO}}_{\rm{4}}^{\rm{ - }}\,\,{\rm{to}}\,\,{\rm{M}}{{\rm{n}}^{{\rm{2 + }}}}\) ?

330184 A current of 3 A is passed through a molten calcium salt for 1 hr 47 min 13 sec . The mass of calcium deposited is:
(Molar mass of \({\mathrm{\mathrm{Ca}=40 \,\mathrm{g\,mol}^{-1}}}\) )

330180 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) is reduced by electrolysis at low potentials and high currents. If \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{\rm{4}}}\) amperes of current is passed through molten \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) for 6 hours, what mass of aluminium is produced? (Atomic mass of \({\rm{Al = 27}}\,\,{\rm{g}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\))

330181 A current is passed through 2 voltmeters connected in series. The first voltmeter contains \(\mathrm{XSO}_{4}(\mathrm{aq})\) and second has \(\mathrm{Y}_{2} \mathrm{SO}_{4}(\mathrm{aq})\). The relative atomic masses of X and Y are in the ratio of 2: 1 . The ratio of the mass of X liberated to the mass of Y liberated is

330182 A certain quantity of electricity is passed through an aqueous solution of \(\mathrm{AgNO}_{3}\) and cupric salt solution connected in series. The amount of silver deposited is \(1.08 \mathrm{~g}\). The amount of copper deposited is \((\mathrm{AW}\). of \(\mathrm{Cu}=63.54 ; \mathrm{Ag}=108)\)

330183 How many faradays are required to reduce 1 mol of \({\rm{MnO}}_{\rm{4}}^{\rm{ - }}\,\,{\rm{to}}\,\,{\rm{M}}{{\rm{n}}^{{\rm{2 + }}}}\) ?

330184 A current of 3 A is passed through a molten calcium salt for 1 hr 47 min 13 sec . The mass of calcium deposited is:
(Molar mass of \({\mathrm{\mathrm{Ca}=40 \,\mathrm{g\,mol}^{-1}}}\) )

330180 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) is reduced by electrolysis at low potentials and high currents. If \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{\rm{4}}}\) amperes of current is passed through molten \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) for 6 hours, what mass of aluminium is produced? (Atomic mass of \({\rm{Al = 27}}\,\,{\rm{g}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\))

330181 A current is passed through 2 voltmeters connected in series. The first voltmeter contains \(\mathrm{XSO}_{4}(\mathrm{aq})\) and second has \(\mathrm{Y}_{2} \mathrm{SO}_{4}(\mathrm{aq})\). The relative atomic masses of X and Y are in the ratio of 2: 1 . The ratio of the mass of X liberated to the mass of Y liberated is

330182 A certain quantity of electricity is passed through an aqueous solution of \(\mathrm{AgNO}_{3}\) and cupric salt solution connected in series. The amount of silver deposited is \(1.08 \mathrm{~g}\). The amount of copper deposited is \((\mathrm{AW}\). of \(\mathrm{Cu}=63.54 ; \mathrm{Ag}=108)\)

330183 How many faradays are required to reduce 1 mol of \({\rm{MnO}}_{\rm{4}}^{\rm{ - }}\,\,{\rm{to}}\,\,{\rm{M}}{{\rm{n}}^{{\rm{2 + }}}}\) ?

330184 A current of 3 A is passed through a molten calcium salt for 1 hr 47 min 13 sec . The mass of calcium deposited is:
(Molar mass of \({\mathrm{\mathrm{Ca}=40 \,\mathrm{g\,mol}^{-1}}}\) )

330180 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) is reduced by electrolysis at low potentials and high currents. If \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{\rm{4}}}\) amperes of current is passed through molten \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) for 6 hours, what mass of aluminium is produced? (Atomic mass of \({\rm{Al = 27}}\,\,{\rm{g}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\))

330181 A current is passed through 2 voltmeters connected in series. The first voltmeter contains \(\mathrm{XSO}_{4}(\mathrm{aq})\) and second has \(\mathrm{Y}_{2} \mathrm{SO}_{4}(\mathrm{aq})\). The relative atomic masses of X and Y are in the ratio of 2: 1 . The ratio of the mass of X liberated to the mass of Y liberated is

330182 A certain quantity of electricity is passed through an aqueous solution of \(\mathrm{AgNO}_{3}\) and cupric salt solution connected in series. The amount of silver deposited is \(1.08 \mathrm{~g}\). The amount of copper deposited is \((\mathrm{AW}\). of \(\mathrm{Cu}=63.54 ; \mathrm{Ag}=108)\)

330183 How many faradays are required to reduce 1 mol of \({\rm{MnO}}_{\rm{4}}^{\rm{ - }}\,\,{\rm{to}}\,\,{\rm{M}}{{\rm{n}}^{{\rm{2 + }}}}\) ?

330184 A current of 3 A is passed through a molten calcium salt for 1 hr 47 min 13 sec . The mass of calcium deposited is:
(Molar mass of \({\mathrm{\mathrm{Ca}=40 \,\mathrm{g\,mol}^{-1}}}\) )

330180 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) is reduced by electrolysis at low potentials and high currents. If \({\rm{4}}{\rm{.0 \times 1}}{{\rm{0}}^{\rm{4}}}\) amperes of current is passed through molten \({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) for 6 hours, what mass of aluminium is produced? (Atomic mass of \({\rm{Al = 27}}\,\,{\rm{g}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\))

330181 A current is passed through 2 voltmeters connected in series. The first voltmeter contains \(\mathrm{XSO}_{4}(\mathrm{aq})\) and second has \(\mathrm{Y}_{2} \mathrm{SO}_{4}(\mathrm{aq})\). The relative atomic masses of X and Y are in the ratio of 2: 1 . The ratio of the mass of X liberated to the mass of Y liberated is

330182 A certain quantity of electricity is passed through an aqueous solution of \(\mathrm{AgNO}_{3}\) and cupric salt solution connected in series. The amount of silver deposited is \(1.08 \mathrm{~g}\). The amount of copper deposited is \((\mathrm{AW}\). of \(\mathrm{Cu}=63.54 ; \mathrm{Ag}=108)\)

330183 How many faradays are required to reduce 1 mol of \({\rm{MnO}}_{\rm{4}}^{\rm{ - }}\,\,{\rm{to}}\,\,{\rm{M}}{{\rm{n}}^{{\rm{2 + }}}}\) ?

330184 A current of 3 A is passed through a molten calcium salt for 1 hr 47 min 13 sec . The mass of calcium deposited is:
(Molar mass of \({\mathrm{\mathrm{Ca}=40 \,\mathrm{g\,mol}^{-1}}}\) )