   # A student adds 4.00 g of dry ice (solid CO 2 ) to an empty balloon. What will be the volume of the balloon at STP after all the dry ice sublimes (converts to gaseous CO 2 )? ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

#### Solutions

Chapter
Section ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 8, Problem 66E
Textbook Problem
115 views

## A student adds 4.00 g of dry ice (solid CO2) to an empty balloon. What will be the volume of the balloon at STP after all the dry ice sublimes (converts to gaseous CO2)?

Interpretation Introduction

Interpretation: The volume of the empty balloon at STP if the 4.00g of dry ice added will sublimed into the balloon is to be determined.

Concept introduction:

• STP: standard temperature and pressure, it is the condition of 0oC and 1 atm.

The molar volume of gases at STP condition is similar and it is close to the molar volume of an ideal gas at STP condition. That is, 22.42 L. Hence, at STP the molar volume of a gas is considered as 22.42L.

• Number of moles of a substance from its given mass is,

Number of moles=GivenweightMolecularweight

### Explanation of Solution

Explanation

The given mass of dry ice is 4.0 g. So the number of moles of this dry ice is,

Equation for finding number of moles is,

Number of moles=GivenweightMolecularweight

Therefore, the number of moles of this dry ice is,

Number of moles of given dry ice=4g44g*1mole =0.0909mole

The volume of 1 mole of CO2 is 22

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