   # Use the data provided in Table 10.1 to calculate the density of dry air at 1.00 atm and 25 °C. ### Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

#### Solutions

Chapter
Section ### Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
Chapter 10.8, Problem 2Q
Textbook Problem
3 views

## Use the data provided in Table 10.1 to calculate the density of dry air at 1.00 atm and 25 °C.

Interpretation Introduction

Interpretation:

The density of dry air at 1atmand25°C has to be calculated by using the data in table 10.1.

Concept Introduction:

Density of a gas can be find out with the help of ideal gas equationPV=nRT.

Here, P is pressure, V is volume, n is number of moles, R is gas constant and T is temperature.

n in the given equation can be written as mM Since amount of any substance is given by dividing mass with molar mass.

PV=mMRTmV=PMRTdensity=PMRT

### Explanation of Solution

We know that density=PMRT

Given:

P=1atmT=298K

From table 10.1 we can calculate the molecular mass shown as below,

M=28.01g/mol0.7808+32g/mol0.2095+39.95g/mol0.00934+44.01g/mol0

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