3The density of liquid benzene, C,Hg, is 0.879 g/cm at 15 °C. How many moles are there in 36.5mL of benzene at 15 °C?Select one:а. 2.43 molb. 0.467 mol30c. 0.411 mold. 0.532 mol An unkown gas effuses 1.66 times more rapidly than Co,. What is the molar mass of the uknowngas?Select one:а. 28b. 18С. 36d. 16e. 30

Answered: An unkown gas effuses 1.66 times more…

An unkown gas effuses 1.66 times more rapidly than Co,. What is the molar mass of the uknown gas? Select one: а. 28 b. 18 С. 36 d. 16 e. 30

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

3
The density of liquid benzene, C,Hg, is 0.879 g/cm at 15 °C. How many moles are there in 36.5
mL of benzene at 15 °C?
Select one:
а. 2.43 mol
b. 0.467 mol
30
c. 0.411 mol
d. 0.532 mol

An unkown gas effuses 1.66 times more rapidly than Co,. What is the molar mass of the uknown
gas?
Select one:
а. 28
b. 18
С. 36
d. 16
e. 30

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