Three samples of ethanol are each maintained at the following conditions: Sample 1:…

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Problem

Three

50.0\ \text{mL}

samples of ethanol are each maintained at the following conditions: Sample 1: solid ethanol at

-120^\circ\text{C}

; Sample 2: liquid ethanol at

25^\circ\text{C}

; Sample 3: ethanol vapour at

78^\circ\text{C}

and

1\ \text{atm}

. Which of the following correctly ranks the three samples by density, from greatest to least? (a)

\text{Sample }2>\text{Sample }1>\text{Sample }3

(b)

\text{Sample }1>\text{Sample }3>\text{Sample }2

(c)

\text{Sample }1>\text{Sample }2>\text{Sample }3

(d)

\text{Sample }2>\text{Sample }3>\text{Sample }1