An experiment shows that a 111 mL gas sample has a mass of 0.171 g at a pressure of 741 mmHg and a temperature of 33 °C. What is the molar mass of the gas?
An experiment shows that a 111 mL gas sample has a mass of 0.171 g at a pressure of 741 mmHg and a temperature of 33 °C. What is the molar mass of the gas?
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter13: Gases
Section: Chapter Questions
Problem 105AP
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![An experiment shows that a 111 mL gas sample has a mass of 0.171 g at a pressure of 741 mmHg and a temperature of 33 °C.
SS
What is the molar mass of the gas?
ΑΣ.
?
g/mol
Submit
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Consider the following chemical reaction:
2H2O(1) → 2H2 (g) + O2(g)
What mass of H2 0 is required to form 1.6 L of O2 at a temperature of 295 K and a pressure of 0.985 atm ?
Express your answer using two significant figures.
Η ΑΣφ.
m =
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What volume of O2 gas, measured at 785 mmHg and 20 °C, is required to completely react with 54.3 g of Al?
Express the volume in liters to three significant figures.
ΑΣΦ
圖]?
V =
L
Submit
Request Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff2e1278f-396c-420d-bed5-cfe8fe7ffdc3%2Fccf507c4-ecde-467a-8cad-051b53e43985%2Fu6zoqy_processed.png&w=3840&q=75)
Transcribed Image Text:An experiment shows that a 111 mL gas sample has a mass of 0.171 g at a pressure of 741 mmHg and a temperature of 33 °C.
SS
What is the molar mass of the gas?
ΑΣ.
?
g/mol
Submit
Request Answer
Consider the following chemical reaction:
2H2O(1) → 2H2 (g) + O2(g)
What mass of H2 0 is required to form 1.6 L of O2 at a temperature of 295 K and a pressure of 0.985 atm ?
Express your answer using two significant figures.
Η ΑΣφ.
m =
Submit
Request Answer
What volume of O2 gas, measured at 785 mmHg and 20 °C, is required to completely react with 54.3 g of Al?
Express the volume in liters to three significant figures.
ΑΣΦ
圖]?
V =
L
Submit
Request Answer
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