Question

24. A flask that has a mass of 345.8 g is filled with 225 mL of CCl4. The mass of the flask and CCl4 is found to be 703.55 g. Calculate: a. the mass of CCl4 b. the density in kg/L

Answer 1

Answer:

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Explanation:

In order to answer the question we need to find the mass of carbon tetrachloride that was used. This is done by finding the difference between the mass of the flask and the collective mass of the flask and carbon tetrachloride.

703.55

g

−

345.8

g

=

357.75

g

Next, we calculate the density of carbon tetrachloride using the volume used and the mass calculated above.

ρ

=

357.75

g

225

m

L

=

1.59

g

/

m

L

Answer 2

Explanation:

In order to answer the question we need to find the mass of carbon tetrachloride that was used. This is done by finding the difference between the mass of the flask and the collective mass of the flask and carbon tetrachloride.

703.55

g

−

345.8

g

=

357.75

g

Next, we calculate the density of carbon tetrachloride using the volume used and the mass calculated above.

ρ

=

357.75

g

225

m

L

=

1.59

g

/

m

L