Multiple Choice
What is the mass (in kg) of 6.89 × 1025 molecules of CO2? The molar mass of CO2 is 44.01 g mol-1.
A) 3.85 kg
B) 5.04 kg
C) 2.60 kg
D) 3.03 kg
E) 6.39 kg
Correct Answer:
Verified
Correct Answer:
Verified
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Q32: Identify an amine.<br>A) CH<sub>3</sub>CH<sub>2</sub>OCH<sub>2</sub>CH<sub>3</sub><br>B) CH<sub>3</sub>CH<sub>2</sub>OH<br>C) CH<sub>3</sub>CH<sub>2</sub>NH<sub>2</sub><br>D) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub><br>E)
Q33: Which of the following is an acid
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Q40: Which of the following is an acid
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Q78: How many moles of N<sub>2</sub>O<sub>3</sub> contain 2.55
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