Answer:
6.321 × 10^22
Explanation:
Mass of Oxygen =
3.36
g
Molar mass of oxygen (
O
2
) = 16 x 2 =
32
g
m
o
l
−
Total molecules in oxygen = Mass in grams/Molar mass x
N
A
=
3.36
32
x
6.02
x
10
23
=
6.321
x
10
22
Note:
N
A
(Avagadro's number) =
6.02
x
10
23
Hope it helps...
Answer: HELP stands for - Heat Escape Lessening Posture.
Answer: during a chemical reaction, matter cannot be created or destroyed
Explanation:
<em>Answer,</em>
<em>A. Gallium-72</em>
<u><em>Hope this helps :-)</em></u>
Answer:
The answer to your question is D.
Explanation:
The latitudes near the equator receives the most direct solar energy.
Hope this helps :)
