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Author Question: What is the mass, in kg, of 6.89 1025 molecules of CO2? The molar mass of CO2 is 44.01 g/mol. A) ... (Read 164 times)

justinmsk

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  • Posts: 524
on: Aug 27, 2018
What is the mass, in kg, of 6.89  1025 molecules of CO2? The molar mass of CO2 is 44.01 g/mol.
 
  A) 3.85 kg
  B) 5.04 kg
  C) 2.60 kg
  D) 3.03 kg
  E) 6.39 kg

Question 2

A person weighs 77.1 kg. What is their weight in pounds?
 
  A) 154 pounds
  B) 170 pounds
  C) 35.0 pounds
  D) 162 pounds


sarajane1989

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Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


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