Atomic mass silicon = 28.085 u
1 mol Si ---------------- 28.085 g
? ------------------------ 245 g
245 x 1 / 28.085 =><span> 8.72 mol</span>
<span>answer A</span>
I believe the answer is 100. Hope this helps. (ノ◕ヮ◕)ノ*:・゚✧
density = mass/volume.
Answer: unused waste from food processing
Explanation: have you takin the chemical reaction system unit test yet? It’s alternated