A Helium Analyzer Is Checked Using a 3-L Syringe;300 Ml

question 37

Multiple Choice

A helium analyzer is checked using a 3-L syringe;300 ml of He is added to 2.70 L of air in the syringe.If the dead space of the syringe and tubing is 100 ml,what is the expected concentration of He in the syringe?

• A) 11.1%
• B) 0.2%
• C) 9.7%
• D) 8.8%

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A company's profit after subtracting operating expenses, such as wages and cost of goods sold, but before deducting interest and taxes.

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