By the electrolysis of water, 11.2L of oxygen at STP was prepared.
a) What charge was required?
b) If a current of 0.5A was used, how long would it take?
Solution Preview
Standard temperature and pressure means 1 mole of gas = 22.4 L, so here we are producing 0.5 moles. What we really need to know however is how many moles of electrons are needed to produce 0.5 moles ...
Solution Summary
The solution involves a calculation of the charge (number of electrons) needed for a half reaction in electrolysis. Additionally, the time of reaction is calculated given a value of the current used.
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