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A student designs an ammeter (a device that measures electrical current) that is based on the...

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Chemistry

A student designs an ammeter (a device that measures electricalcurrent) that is based on the electrolysis of water into hydrogenand oxygen gases. When electrical current of unknown magnitude isrun through the device for 2.00 min , 14.7 mL of water-saturatedH2(g) is collected. The temperature and pressure of the system are25 ∘C and 715 torr.

How many moles of hydrogen gas are produced? 5.47*10^-4 mol

Calculate the magnitude of the current in amperes if the numberof moles of hydrogen gas produced is 5.47×10−4 mol (frompart A).

__________

Answer & Explanation Solved by verified expert
3.8 Ratings (693 Votes)
Given that the moles of H2 gas 547104 mol I Qt here I is current Q is total charge passing and t is time for total charge to pass the electrolysis of water into hydrogen    See Answer
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