# What is the volume of 4.5 g of #"CO_2"#?

##### 2 Answers

The volume of

#### Explanation:

At STP,

http://www.engineeringtoolbox.com/gas-density-d_158.html

We can use the given mass and known density to determine the volume of

The volume of

#### Explanation:

We can also use the ideal gas law to solve this problem.

The equation is

In this problem,

Determine moles of

I am leaving some guard digits to reduce rounding errors.

**Ideal Gas Law**

**Given/Known**

https://en.m.wikipedia.org/wiki/Gas_constant

**Unknown**

Volume,

**Equation**

**Solution**

Rearrange the equation to isolate

Convert to