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Use Avogadro's law to complete the table (assume pressure and temperature to be

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 49P Chapter 11

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 49P

PROBLEM 49P

Use Avogadro's law to complete the table (assume pressure and temperature to be constant).

V1

n1

V2

n2

38.5 mL

1.55 × 10−3 mol

49.4 mL

______

______

1.37 mol

26.8 L

4.57 mol

11.2 L

0.628 mol

______

0.881 mol

422 mL

______

671 mL

0.0174 mol

Step-by-Step Solution:

Solution 49P

Here, we are going to complete the given table.

Step 1:

Avogadro's law states that equal volumes(V) of all gases under the same conditions of temperature and pressure contain equal number of molecules.

Mathematically, we can write

                                V n,        where n is the number of moles of the gas.

                                V = kn, k being a constant.

Now, if V1, n1 are the volume and number of moles of the gas initially and V2, n2 are the volume and number of moles of the gas finally, then,

                                        V1 = kn1 

                                        V2 = kn2

Combining the two equations, we get, V1 / n1 = V2 / n2        -----(1)

Step 2 of 2

Chapter 11, Problem 49P is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Use Avogadro's law to complete the table (assume pressure and temperature to be