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Haly Nur Cahyawan
Student XII IPA
35. To avoid corrosion on iron plates of rectangle shape with side lengths of 2 cm, a zinc coating (Ar Zn = 63.5 g/mol) was performed by electrolysis. The mass density of zinc was 7.32 g/mL. If the electric current of 300 ampere with 60% efficiency was applied in the coating process, the thickness of zinc (in cm) on iron plates per hour was .... 0.75 d. 1.50 b. 1.00 2.50 1.25 a. e. C
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Delfianti Pratiwi
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