Answer:
1.21*10^2 g
Explanation:
6.728*10^23 atom Ag *1 mol/6.022*10^23 (Avogadro's number)*107.868 g (Ag atomic mass)/1 mol = 120.514099 g > (rounded and scientific notation) 1.21*10^2 g
Hope this helps! If you have any questions about this answer, feel free to put them in the comments.
