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saw5 [17]
2 years ago
5

What is the molar mass of O2 A. 16 g B. 16 AMU C. 32 AMU D. 32 g

Chemistry
2 answers:
Alexeev081 [22]2 years ago
5 0
The answer is D. 32G

MArishka [77]2 years ago
3 0
D.32 g will be your answer hope that helps
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There is a mixture of three gases. We know the total pressure is 2.50 atmosphere and the pressure of the oxygen and the nitrogen
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Answer:

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Explanation:

The <em>total pressure</em> of the container is equal to the <u>sum of the partial pressure of the three gasses</u>:

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Now we <u>solve for the pressure of carbon dioxide</u>:

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To c<u>alculate the number of CO₂ moles </u>we use <em>PV=nRT</em>:

  • P = 1.14 atm
  • V = 25.0 L
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1.14 atm * 25.0 L = n * 0.082 atm·L·mol⁻¹·K⁻¹ * 305.16 K

  • n = 1.139 mol
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3 years ago
Which of the following is usually done last in the scientific method of investigation?
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Pcl3+H2O=H3PO3+Hcl=?​
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PCl3 + 3H2O → HPO(OH)2 + 3HCl. Phosphorus(III) chloride react with water to produce phosphorous acid and hydrogen chloride.

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