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12-09-2021
Physics

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A chemist needs 15.0 grams of ethanol for a reaction. If the density of ethanol is 0.789 g/ml, how many milliliters of alcohol should be used?

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12-09-2021

Mass=15g
Density=0.789g/ml

[tex]\\ \bull\tt\dashrightarrow Density=\dfrac{Mass}{Volume}[/tex]

[tex]\\ \bull\tt\dashrightarrow Volume=\dfrac{Mass}{Density}[/tex]

[tex]\\ \bull\tt\dashrightarrow Volume=\dfrac{15}{0.789}[/tex]

[tex]\\ \bull\tt\dashrightarrow Volume=19.01mL[/tex]

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