40. Решение задачки по химии №6

5. Copper is coated with tin. When the tin coating is damaged, a galvanic cell operates, which produces a current of 6.5 A. What mass of tin will dissolve and how many liters of hydrogen will be released on the copper cathode in 45 minutes?
-Sn|Sn2 |HCl|(Cu)H2|2H ( )

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