The molecular mass of octane is 114.22 g/mol. What is the mass of 22.05 mol of octane? 5.180 g 22.05 g 114.22 g 2,518 g
2 answers:
Answer:
The mass of 22.05 mol of octane is 2,518 g.
Explanation:
Molar mass of octane = 114.22 g/mol
Mass of 1 mole of octane is 112.22 g/mol.
Mass of compound:
Moles of compound × Molar mass of compound
Mass of 22.05 moles of octane is:
The closest answer from the given options is 2,518 g.
1 mole ----------- 114.22 g
22.05 moles ---- ?
mass octane = 22.05 x 114.22 / 1
mass octane = 2,518 g
Answer D
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