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OpenStudy (anonymous):
if an aqueous solution of HNO3 is electrolyzed for 39.00 min at a steady current of 1.79 A, what volume of H2 (g) at 25.0°C and 0.99 atm will be collected at the cathode?
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OpenStudy (jfraser):
You need to look at the half-reaction that's occurring, look at the number of electrons that are being moved, and do some dimensional analysis
OpenStudy (vera_ewing):
What do you not understand about the question?
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