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Answer: Evaluate each of the following, and write the answer to the appropriate number

Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste ISBN: 9781439049402 426

Solution for problem 138 Chapter 2

Introductory Chemistry: A Foundation | 7th Edition

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Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste

Introductory Chemistry: A Foundation | 7th Edition

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Problem 138

Evaluate each of the following, and write the answer to the appropriate number of significant figures. a. 149.2 _ 0.034 _ 2000.34 b. 1.0322 _ 103 _ 4.34 _ 103 c. 4.03 _ 10_2 _ 2.044 _ 10_3 d. 2.094 _ 105 _ 1.073 _ 106

Step-by-Step Solution:
Step 1 of 3

Chemistry 111 Notes (Dr.Patton)  STP  Definition: (Standard Temperature and Pressure) the volume occupied by one mole of any gas is 22.4L which is known as the standard molar volume  EXAMPLE: The volume of .280L of gas has a mass of .400g @ STP. What is the molar mass of the gas Write the equation of molar mass then plug in given... Molar mass= mass/moles =.400g/ moles We can find the amount of moles by using a conversion factor of liters to moles. Remember @ STP there is 22.4 liters in one mole… .280L x 1 mol/22.4L=.012494 moles Now we can plug in .012494 into our molar mass equation above… Molar mass=.400g/.012494 =32.01 g/

Step 2 of 3

Chapter 2, Problem 138 is Solved
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Textbook: Introductory Chemistry: A Foundation
Edition: 7
Author: Steven S. Zumdahl, Donald J. DeCoste
ISBN: 9781439049402

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Answer: Evaluate each of the following, and write the answer to the appropriate number