The experimental density of CO2 gas at 0.1 MPa and 300K is 0.001773 g/cm3. a) What is the experimental concentration (in M units) and number density (molecules/m3 units) of CO2 gas at 0.1 MPa and 300K

Question

Brandy

Chemistry

11 February, 11:02

The experimental density of CO2 gas at 0.1 MPa and 300K is 0.001773 g/cm3. a) What is the experimental concentration (in M units) and number density (molecules/m3 units) of CO2 gas at 0.1 MPa and 300K

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Answers (1)

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Clarence · Answer 1

Experimental concentration is 0.04M

Number density is 2.4092*10^25 molecules/m^3

Explanation:

Experimental concentration = 0.001773g/cm^3 * 1mole/44g * 1000cm^3/1L = 0.04mole/L = 0.04M

Number density = 0.04mole/L * 6.023*10^23molecules/1mol * 1000L/1m^3 = 2.4092*10^25molecules/m^3