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ID: 542143 • Letter: A

Question

Approved Shipt Shopper General Orientation Inbox (200)- ayalapaul4@gmail.com- Gmal A colorless liquid, used as a solvent (a liquid that dissolves other substances), is believed to be one of the following: Substance Density (in g/mL) n-butyl alcohol 0.810 Ethylene glycol 1.114 Isopropyl alcohol 0.785 0.866 oluene To identify the subdance, a chemist determined its density. By pouring a sample of the liquid into a graduated cylinder, she found that the volume was 35.1 mL. She also found that the sample weighed-30.5 g. What is the identity of the liquid? Remember that all measurement contains error O none of these Isopropyl alcohol O toluene O Ethylene glycol O n-butyl alcohol

Explanation / Answer

Density = mass / Volume

Mass of the sample = 30.5g

Volume of the sample = 35.1ml

Therefore,

Density = 30.5g /35.1ml = 0.869g/ml

The substance is toluene

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