Calculate the volume of Oxygen produced ( measured at room temperature and pressure) during the electrolysis of Sodium sulphate solution if you use a current of 0.5amp for 30 minutes

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Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.