19829 The negative \(Zn\) pole of a Daniel cell, sending a constant current through a circuit, decreases in mass by \(0.13\,g\) in \(30\) minutes. If the electrochemical equivalent of \(Zn\) and \(Cu\) are \(32.5\) and \(31.5\) respectively, the increase in the mass of the positive \(Cu\) pole in this time is .............. \(\mathrm{g}\)
19830 When a copper voltameter is connected with a battery of \(e.m.f.\) \(12\, volts\). \(2\, gm\) of copper is deposited in \(30\) minutes. If the same voltameter is connected across a \(6 \,volt\) battery, then the mass of copper deposited in \(45\) minutes would be ............. \(\mathrm{gm}\)
19829 The negative \(Zn\) pole of a Daniel cell, sending a constant current through a circuit, decreases in mass by \(0.13\,g\) in \(30\) minutes. If the electrochemical equivalent of \(Zn\) and \(Cu\) are \(32.5\) and \(31.5\) respectively, the increase in the mass of the positive \(Cu\) pole in this time is .............. \(\mathrm{g}\)
19830 When a copper voltameter is connected with a battery of \(e.m.f.\) \(12\, volts\). \(2\, gm\) of copper is deposited in \(30\) minutes. If the same voltameter is connected across a \(6 \,volt\) battery, then the mass of copper deposited in \(45\) minutes would be ............. \(\mathrm{gm}\)
19829 The negative \(Zn\) pole of a Daniel cell, sending a constant current through a circuit, decreases in mass by \(0.13\,g\) in \(30\) minutes. If the electrochemical equivalent of \(Zn\) and \(Cu\) are \(32.5\) and \(31.5\) respectively, the increase in the mass of the positive \(Cu\) pole in this time is .............. \(\mathrm{g}\)
19830 When a copper voltameter is connected with a battery of \(e.m.f.\) \(12\, volts\). \(2\, gm\) of copper is deposited in \(30\) minutes. If the same voltameter is connected across a \(6 \,volt\) battery, then the mass of copper deposited in \(45\) minutes would be ............. \(\mathrm{gm}\)
19829 The negative \(Zn\) pole of a Daniel cell, sending a constant current through a circuit, decreases in mass by \(0.13\,g\) in \(30\) minutes. If the electrochemical equivalent of \(Zn\) and \(Cu\) are \(32.5\) and \(31.5\) respectively, the increase in the mass of the positive \(Cu\) pole in this time is .............. \(\mathrm{g}\)
19830 When a copper voltameter is connected with a battery of \(e.m.f.\) \(12\, volts\). \(2\, gm\) of copper is deposited in \(30\) minutes. If the same voltameter is connected across a \(6 \,volt\) battery, then the mass of copper deposited in \(45\) minutes would be ............. \(\mathrm{gm}\)