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Atoms and reactions

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Question 112

A gas cylinder contains a mixture of 8.00 g of helium (He\text{He}He) and 40.0 g of argon (Ar\text{Ar}Ar). The total pressure inside the cylinder is 3.60 atm3.60\text{ atm}3.60 atm.

What is the partial pressure, in atm\text{atm}atm, of argon (Ar\text{Ar}Ar) in this mixture?

A

1.201.201.20

B

2.402.402.40

C

3.003.003.00

D

0.720.720.72

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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