A student was assigned the task of determining the identity of an unknown liquid. The student weighed a clean, dry 250-mL Erlenmeyer flask. The student completely filled the flask with water. He then proceeded to weigh the flask containing the water. Mass of 250-mL Erlenmeyer flask: 78.639 g Mass of 250-mL Erlenmeyer flask and water: 327.039 g Assuming the density of water is 1.00 g/mL at ambient temperature, what is the exact volume (in mL) of the 250-mL Erlenmeyer flask?

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VictorSilva VictorSilva · Answer 1 · 2019-10-26T01:20:57+02:00

Answer:

248.4 mL

Explanation:

Erlenmeyer = 78.649 g

Erlenmeyer + Water = 327.039 g

Water = (Erlenmeyer + Water) - Erlenmeyer

Water = 327.039 - 78.649

Water = 248.4 g

if the density of water is 1 g/mL, we can say that each mL of water weigh 1 g, so we have 248.4 mL of water in the Erlenmeyer Flask.

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andromache andromache · Answer 2 · 2022-02-22T14:20:36+01:00

The exact volume should be 248.4 mL

In the case when the density of water is 1 g/mL, so here each mL of water weigh 1 g, so we have 248.4 mL of water in the Erlenmeyer Flask.

Now

Erlenmeyer = 78.649 g

Erlenmeyer + Water = 327.039 g

So,

Water = (Erlenmeyer + Water) - Erlenmeyer

Water = 327.039 - 78.649

Water = 248.4 g

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