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The Henry's Law Constant for Helium Gas in Water at 30

Question 118

Multiple Choice

The Henry's law constant for helium gas in water at 30 °C is 3.70 × The Henry's law constant for helium gas in water at 30 °C is 3.70 × mol L<sup>-1</sup> bar<sup>-1</sup>. When the partial pressure of helium above a sample of water is 0.450 bar, the concentration of helium in the water is ________ mol L<sup>-1</sup>. A) 1.22 × 10<sup>3</sup> B) 8.22 × 10<sup>-4</sup> C) 1.67 × 10<sup>-4</sup> D) 0.45 E) 3.70 × 10<sup>-4</sup> mol L-1 bar-1. When the partial pressure of helium above a sample of water is 0.450 bar, the concentration of helium in the water is ________ mol L-1.


A) 1.22 × 103
B) 8.22 × 10-4
C) 1.67 × 10-4
D) 0.45
E) 3.70 × 10-4

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