Answer:
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Explanation:
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Answer:
Arsenic, As, has atomic number 33, which is the number of protons in the nuclei of its atoms. A neutral As atom would also have 33 electrons. The electron configuration of a neutral arsenic atom is [Ar]3d104s24p3
Explanation:
We are given with the composition of the air inside a breathing apparatus which is
<span>78% N2
21% O2
The total pressure at a given depth is 500 kPa
The partial pressure of oxygen is
500 kPa (0.21) = 105 kPa</span>
1.9993999057621666 moles
1 mole = 36.46094
35.25 is the answer of the probem
