330177 Impure copper containing Fe, Au, Ag as impurities is electrolytically refined. A current of 140 A for 482.5 s decreased the mass of the anode by 22.26 g and increased the mass of cathode by 22.011 g. Percentage of iron in impure copper is
(Given: molar mass Fe \( = 55.5\,\,g\,\,mo{l^{ - 1}},\) molar mass \(Cu = 63.54\,\,g\,\,mo{l^{ - 1}}\))

330188 Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution for 100 seconds is
(Given : Molar mass of \({\mathrm{\mathrm{Cu}: 63 \mathrm{~g} \mathrm{~mol}^{-1}, 1 \mathrm{~F}=}}\) 96487 C)

330178 9.65 C of electric current is passed through fused anhydrous magnesium chloride. The magnesium metal thus, obtained is completely converted into a Grignard reagent. The number of moles of the Grignard reagent obtained is

330179 How many coulombs of electricity are consumed when a 100 mA current is passed through a solution of \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\) for half an hour during an electrolysis experiment?

330177 Impure copper containing Fe, Au, Ag as impurities is electrolytically refined. A current of 140 A for 482.5 s decreased the mass of the anode by 22.26 g and increased the mass of cathode by 22.011 g. Percentage of iron in impure copper is
(Given: molar mass Fe \( = 55.5\,\,g\,\,mo{l^{ - 1}},\) molar mass \(Cu = 63.54\,\,g\,\,mo{l^{ - 1}}\))

330188 Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution for 100 seconds is
(Given : Molar mass of \({\mathrm{\mathrm{Cu}: 63 \mathrm{~g} \mathrm{~mol}^{-1}, 1 \mathrm{~F}=}}\) 96487 C)

330178 9.65 C of electric current is passed through fused anhydrous magnesium chloride. The magnesium metal thus, obtained is completely converted into a Grignard reagent. The number of moles of the Grignard reagent obtained is

330179 How many coulombs of electricity are consumed when a 100 mA current is passed through a solution of \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\) for half an hour during an electrolysis experiment?

330177 Impure copper containing Fe, Au, Ag as impurities is electrolytically refined. A current of 140 A for 482.5 s decreased the mass of the anode by 22.26 g and increased the mass of cathode by 22.011 g. Percentage of iron in impure copper is
(Given: molar mass Fe \( = 55.5\,\,g\,\,mo{l^{ - 1}},\) molar mass \(Cu = 63.54\,\,g\,\,mo{l^{ - 1}}\))

330188 Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution for 100 seconds is
(Given : Molar mass of \({\mathrm{\mathrm{Cu}: 63 \mathrm{~g} \mathrm{~mol}^{-1}, 1 \mathrm{~F}=}}\) 96487 C)

330178 9.65 C of electric current is passed through fused anhydrous magnesium chloride. The magnesium metal thus, obtained is completely converted into a Grignard reagent. The number of moles of the Grignard reagent obtained is

330179 How many coulombs of electricity are consumed when a 100 mA current is passed through a solution of \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\) for half an hour during an electrolysis experiment?

330177 Impure copper containing Fe, Au, Ag as impurities is electrolytically refined. A current of 140 A for 482.5 s decreased the mass of the anode by 22.26 g and increased the mass of cathode by 22.011 g. Percentage of iron in impure copper is
(Given: molar mass Fe \( = 55.5\,\,g\,\,mo{l^{ - 1}},\) molar mass \(Cu = 63.54\,\,g\,\,mo{l^{ - 1}}\))

330188 Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution for 100 seconds is
(Given : Molar mass of \({\mathrm{\mathrm{Cu}: 63 \mathrm{~g} \mathrm{~mol}^{-1}, 1 \mathrm{~F}=}}\) 96487 C)

330178 9.65 C of electric current is passed through fused anhydrous magnesium chloride. The magnesium metal thus, obtained is completely converted into a Grignard reagent. The number of moles of the Grignard reagent obtained is

330179 How many coulombs of electricity are consumed when a 100 mA current is passed through a solution of \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\) for half an hour during an electrolysis experiment?