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Safari File Edit www.awd aleks.oem shopGold Rewards Alerts wanocery ooupons shopat home Calculating mass density A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the door of the cabinet says the cabinet is used to store bottles of glycerol, acetone, pentane, chloroform, and The chemist plans to try to identry the unknown liquid by measurng the density and comparing to known densities. First, from his collection of Material safety Data Sheets (MSDs), the chemist finds the following information: liquid T density glycerol 1.3 g ml acetone 0.79 g ml. pentane 0.63 g ml. chloroform 1.5 g ml. ethanolamine 1.0 g ml. Next, the chemist measures the volume of the unknown liquid as 1468. am and the mass of the unknown liquid as 1.49 kg. Calculate the density of the liquid. Round your answer to 3 incant digits. Check MacBook Air

Explanation / Answer

Density = Mass/Volume

We have the volume and mass of the unknown liquid,we need to convert it into the same units as the known densities have.

Vol=1468cm3 = 1cm3 = 1mL so Vol =1468mL

Mass = 1.49kg = 1490g

Density= 1490g/1468mL = 1.01g/mL

Compared to the densities we have,the liquid can be ethanolamine which has the density 1.0g/mL

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