Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 2 g of hydrogen was formed at the (-) electrode, what volume (dm3) of chlorine is formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-1]- 24.0
- 48.0
- 35.5
- 71.0
- Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 12 dm3 of hydrogen was formed at the (-) electrode, what mass (g) of chlorine is formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-2]- 71.0
- 35.5
- 142.0
- 106.5
- Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 48 dm3 of chlorine was formed at the (+) electrode, what mass (g) of hydrogen is formed at the (-) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-3]- 2
- 1
- 4
- 8
- Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 36 dm3 of chlorine was formed at the (+) electrode, what volume (dm3) of hydrogen is formed at the (-) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-4]- 48
- 18
- 96
- 36
- Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 213g of chlorine was formed at the (+) electrode, what volume (dm3) of hydrogen is formed at the (-) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-5]- 72
- 36
- 144
- 96
- Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 8 g of hydrogen was formed at the (-) electrode, what mass of chlorine (g) is formed at the (+) electrode? [pec-6]- 142
- 284
- 71
- 213
- Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 108 g of aluminium is formed at the (-) electrode, what volume (dm3) of oxygen would be formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-7]- 144
- 96
- 72
- 36
- Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 54 tonne of aluminium is formed at the (-) electrode, what mass (tonne) of oxygen would be formed at the (+) electrode? [pec-8]- 60
- 24
- 72
- 48
- Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 24 g of oxygen is formed at the (+) electrode, what mass (g) of aluminium would be formed at the (-) electrode? [pec-9]- 27
- 54
- 81
- 108
- Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 2.7 g of aluminium is formed at the (-) electrode, what volume (dm3) of oxygen would be formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-10]- 3.6
- 1.8
- 7.2
- 5.4
- Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
What mass (g) of aluminium is formed at the (-) electrode, if 72 dm3 of oxygen was formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-11]- 54
- 27
- 108
- 81
- Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 54 g of aluminium is formed at the (-) electrode, what volume (dm3) of oxygen was formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-12]- 18
- 72
- 54
- 36
- Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 2 g of hydrogen was formed at the (-) electrode, what volume (dm3) of chlorine is formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-1] - Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 12 dm3 of hydrogen was formed at the (-) electrode, what mass (g) of chlorine is formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-2] - Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 48 dm3 of chlorine was formed at the (+) electrode, what mass (g) of hydrogen is formed at the (-) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-3] - Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 36 dm3 of chlorine was formed at the (+) electrode, what volume (dm3) of hydrogen is formed at the (-) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-4] - Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 213g of chlorine was formed at the (+) electrode, what volume (dm3) of hydrogen is formed at the (-) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-5] - Given below are the electrode equations for the electrolysis of aqueous sodium chloride (brine) and the Ar's: H=1 and Cl=35.5:
(-) electrode: 2H+(aq) + 2e- ==> H2(g)
(+) electrode: 2Cl-(aq) - 2e- ==> Cl2(g)
If 8 g of hydrogen was formed at the (-) electrode, what mass of chlorine (g) is formed at the (+) electrode? [pec-6] - Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 108 g of aluminium is formed at the (-) electrode, what volume (dm3) of oxygen would be formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-7] - Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 54 tonne of aluminium is formed at the (-) electrode, what mass (tonne) of oxygen would be formed at the (+) electrode? [pec-8] - Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 24 g of oxygen is formed at the (+) electrode, what mass (g) of aluminium would be formed at the (-) electrode? [pec-9] - Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 2.7 g of aluminium is formed at the (-) electrode, what volume (dm3) of oxygen would be formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-10] - Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
What mass (g) of aluminium is formed at the (-) electrode, if 72 dm3 of oxygen was formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-11] - Given below are the electrode equations for the electrolysis of molten aluminium oxide ore (Al2O3) and the Ar's: Al=27 and O=16:
(-) electrode: 4Al3+(aq) + 12e- ==> 4Al(l)
(+) electrode: 6O2-(aq) - 12e- ==> 3O2(g)
If 54 g of aluminium is formed at the (-) electrode, what volume (dm3) of oxygen was formed at the (+) electrode? (1 mole of any gas = 24dm3 at room temp./press.) [pec-12]