Answer:
D. 27.099 x 10²³.
Explanation:
- It is known that every 1.0 mole of an atom contains Avogadro's no. (6.022 x 10²³) atoms.
<em>So, 4.5 mol of Hg will contain:</em>
(4.5 mol)(6.022 x 10²³) = 27.099 x 10²³ atoms.
<em>So, the right choice is: D. 27.099 x 10²³.</em>
A because a primary source is defined as a first hand account of an event .
ok im not full sure man but i would say multiple voltaic cells that have spontaneous half reactions
im sorry hope it helps
Answer:
20.180
Explanation:
Atomic mass is the sum of the masses of the protons, neutrons, and electrons in an atom, or the averagemass, in a group of atoms
