(Solved):     Help with this question please. Im not understanding how to get the mass 10. A 19 ...

 

 

Help with this question please. Im not understanding how to get the mass

10. A 1980 copper penny is selected for analysis. It has a mass of \( 3.11 \) grams. The penny is first dissolved in concentrated nitric acid and then diluted to a volume of \( 2000 \mathrm{~mL} \) (Solution A). Then, \( 25 \mathrm{~mL} \) of solution \( A \) is added to a \( 500 \mathrm{~mL} \) volumetric flask and diluted to the mark (Solution B). A third solution is made by placing \( 10 \mathrm{~mL} \) of solution \( \mathrm{B} \) in a \( 250 \mathrm{~mL} \) volumetric flask and diluting to the mark. (Solution C). c. Calculate the mass of zinc in solution A (this is also the mass of zinc in the penny)