Chapter 10.4, Problem 10.9CYU

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

Chapter
Section

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

# If 15.0 g of sodium reacts with water, what volume of hydrogen gas is produced at 25.0 °C and a pressure of 1.10 atm?

Interpretation Introduction

Interpretation:

The volume of hydrogen gas produced when sodium reacts with water at given conditions has to be given.

Concept Introduction:

According to ideal gas equation:

PV=nRT

Numberofmoles=massmolarmass

Explanation

The volume of hydrogen gas produced when sodium reacts with water at 25Â°Câ€‰andâ€‰1.10â€‰atm can be calculated as

Given that:

â€‚Â Pressureâ€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰â€‰Â â€‰â€‰â€‰=â€‰â€‰1.10â€‰â€‰atmmassâ€‰ofâ€‰sodiumâ€‰â€‰=â€‰15â€‰gTemperatureâ€‰=â€‰25Â°Câ€‰=â€‰298â€‰K

The balanced equation can be written as:

â€‚Â 2â€‰Naâ€‰+â€‰2â€‰H2Oâ€‰â†’â€‰2â€‰NaOHâ€‰+â€‰â€‰H2

â€‚Â Amountâ€‰ofâ€‰H2â€‰=â€‰â€‰15â€‰gâ€‰Naâ€‰[1â€‰molâ€‰Na22

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