Question

The density of ethanol at 20 C is 0.791 g/mL. How many milliliters of ethanol correspond to 12.0 g of ethanol at 20 C?

Answer 1

To find the volume of ethanol that corresponds to 12.0 g at 20 C with a density of 0.791 g/mL, use the formula Volume (mL) = Mass (g) / Density (g/mL). The result is approximately 15.17 mL of ethanol.

Step-by-step explanation:

To calculate the volume of ethanol that corresponds to 12.0 g, you need to use the given density of ethanol at 20 ℃. The density is 0.791 g/mL. The formula to convert from mass to volume is:

Volume (mL) = Mass (g) / Density (g/mL)

Using the formula:

Volume (mL) = 12.0 g / 0.791 g/mL

Volume (mL) = 15.17 mL

Thus, 12.0 g of ethanol at 20 ℃ corresponds to approximately 15.17 mL of ethanol.

Answer 2

Density = mass/volume. Density of ethanol = 0.79 g/mL. Mass of ethanol = 12g . We seek to calculate the volume of ethanol at 20 degrees. The milliliters of ethanol which is also the same as volume of ethanol = mass/density = 12/0.79 = 15.18mL.