Density is defined as the mass per unit volume of a substance. So, in this case:

Density = grams / milliliters

I like to think of the formula for density as the "heart equation" (see the hyperlink to see the reference! :)

We are given the **volume (225 mL)** ....

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Density is defined as the mass per unit volume of a substance. So, in this case:

Density = grams / milliliters

I like to think of the formula for density as the "heart equation" (see the hyperlink to see the reference! :)

We are given the **volume (225 mL)**. However, we must find the mass of just the carbon tetrachloride by subtracting the mass of the flask. This can be done via:

Mass of carbon tetrachloride = (Mass of flask holding carbon tetrachloride) - (Mass of the flask)

Therefore, the mass of the carbon tetrachloride would be:

703.55 - 345.8 = **357.75 grams of carbon tetrachloride**

Now we can put the above information into the equation for density:

Again, Density= grams/ milliliters

So:

Density = 357.75 grams / 225 mL = **1.59 grams / milliliter **

I hope this helps!

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