A neon dioxygen mixture contains 70.6 g dioxygen and 167.5 g neon. If pressure of the mixture of gases in the cylinder is 25bar. What is the partial pressure of dioxygen and neon in the mixture??
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Answers
Answer:
The mass of dioxygen is 70.6 g.
The molar mass of dioxygen is 32 g/mol.
The number of moles of dioxygen
=
32 g/mol
70.6 g
= 2.21 mol
The mass of neon is 167.5 g.
The molar mass of neon is 20.2 g/mol.
The number of moles of neon
=
20.2 g/mol
167.5 g
= 8.29 mol
The total number of moles of neon and dioxygen = 2.21 + 8.29= 10.49
The mole fraction of neon =
10.49
8.29
= 0.789
Total pressure in the cylinder is 25 bar.
The partial pressure of neon = 0.789 × 25 bar= 19.7 bar
The partial pressure of dioxygen = 25 bar − 19.7 bar = 5.3 bar
Explanation:
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