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Sodium metal reacts with oxygen gas to form sodium oxide (Na2O). (a) Write equation for the oxidation half reaction. (1 marks) (b) Write equation for

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Sodium metal reacts with oxygen gas to form sodium oxide (Na2O). (a) Write equation for the oxidation half reaction. (1 marks) (b) Write equation for the reduction half reaction. (1 marks) (c) Write equation for the overall reaction. (1 marks) (d) Calculate the electrochemical equivalent of sodium (4 marks)

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