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>
A(n) Acute exposure is a short term or brief exposure that may create an immediate health hazard. Answer: A)
Answer:
Controls the movement of substances into and out of the cell.
The chemical properties, chemical reactivity
