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A Jeweler Needs to Electroplate Gold,having an Atomic Mass of 196.97

Question 100

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A jeweler needs to electroplate gold,having an atomic mass of 196.97 g/mol,onto a bracelet.He knows that the charge carriers in the ionic solution are singly-ionized gold ions,Au+,and has calculated that he must deposit A jeweler needs to electroplate gold,having an atomic mass of 196.97 g/mol,onto a bracelet.He knows that the charge carriers in the ionic solution are singly-ionized gold ions,Au<sup>+</sup>,and has calculated that he must deposit Of gold to reach the necessary thickness.How much current does he need to plate the bracelet in 3.0 hours? (e = 1.60 × 10<sup>-19</sup> C,N<sub>A</sub> = 6.02 × 10<sup>23</sup> atoms/mol) A) 9.1 mA B) 540 mA C) 33 A D) 1,800 mA
Of gold to reach the necessary thickness.How much current does he need to plate the bracelet in 3.0 hours? (e = 1.60 × 10-19 C,NA = 6.02 × 1023 atoms/mol)


A) 9.1 mA
B) 540 mA
C) 33 A
D) 1,800 mA

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