Using the procedure outlined under \"Part A: Density of Water - Buret\" in the l

Question

Using the procedure outlined under "Part A: Density of Water - Buret" in the lab manual, work out the following: Using a buret full of an unknown liquid and a clean dry 100 mL beaker you run an amount of the liquid into the beaker and take the following data:

Initial reading of the buret = 2.24 mL
Final reading of the buret = 15.61 mL
Mass of empty beaker = 219.92 g
Mass of beaker with the measured volume of unknown liquid = 263.26 g.

Calculate the density of the unknown liquid in g/mL. Enter your answer as a decimal number with 3 decimal places.

Explanation / Answer

Amount of liquid in beaker is = (15.61-2.24) mL = 13.37 mL

Weight of the liquid is = (263.26-219.92) = 43.34 g

so density of the fluid = 43.34/13.37 g/mL = 3.242 g/mL

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