{{tag>charges Electroplating chapter1_2}}
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~~#@ee1_taskctr~~  Charges in Electroplating                    
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To get a different metal coating onto a surface, often [[wp>Electroplating]] is used. In this process, the surface is located in a liquid, which contains metal ions of the coating. \\
In the following, a copper coating (e.g. for corrosion resistance) shall be looked on. 
The charge of one copper ion is around $1.6022 \cdot 10^{-19}~{\rm C}$, what is the charge on the surface if there are $8 \cdot  10^{22}~{\rm ions}$ added?


<button size="xs" type="link" collapse="mexle-69ced5a4cda7-1">Solution steps</button>
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\begin{align*}
 8 * 10^{22} \cdot 1.6022 *10^{-19}~{\rm C} = 12'817.6~{\rm C} 
\end{align*}



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<button size="xs" type="link" collapse="mexle-69ced5a4cda7-2">Result</button>
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\begin{align*}
12'818~{\rm C}
\end{align*}

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