The chemist measures the volume of the unknown liquid as 0.800L and the mass of unknown liquid as 747g
Tetrahydrofuran 0.89g/cm^3
Glycerol 1.3G/cm^3
Dimethyl sulfoxide 1.1 g/cm^3
Acetone 0.79 g/cm^3
Ethanolamine 1.0g/cm^3
Caluculate the density of liquid be sure your answer has the correct number of significant digits
Given data is it possible to identify the liquid
If it is possible to identify the liquid do so
To calculate the density of the liquid, we use the formula:
Density = Mass / Volume
Given that the mass of the unknown liquid is 747g and the volume is 0.800L, we can calculate the density as:
Density = 747g / 0.800L
Density = 933.75 g/L
Since the density is given to have the correct number of significant digits, our final answer is:
Density = 930 g/L
To identify the liquid, we need to compare its density with the densities of the known liquids provided.
Tetrahydrofuran: 0.89 g/cm^3 (890 g/L)
Glycerol: 1.3 g/cm^3 (1300 g/L)
Dimethyl sulfoxide: 1.1 g/cm^3 (1100 g/L)
Acetone: 0.79 g/cm^3 (790 g/L)
Ethanolamine: 1.0 g/cm^3 (1000 g/L)
Comparing the density of the unknown liquid (930 g/L) with the known densities, we can see that it falls in between the densities of Glycerol and Dimethyl sulfoxide.
Therefore, based on the density, it is possible that the unknown liquid is either Glycerol or Dimethyl sulfoxide.
To calculate the density of the liquid, we need to use the formula:
Density = Mass / Volume
Given:
Volume of unknown liquid = 0.800 L
Mass of unknown liquid = 747 g
Using the formula, we can calculate the density:
Density = 747 g / 0.800 L
Density = 933.75 g/L
Now, let's compare the calculated density with the densities of the known liquids provided:
Tetrahydrofuran: 0.89 g/cm^3 = 890 g/L
Glycerol: 1.3 g/cm^3 = 1300 g/L
Dimethyl sulfoxide: 1.1 g/cm^3 = 1100 g/L
Acetone: 0.79 g/cm^3 = 790 g/L
Ethanolamine: 1.0 g/cm^3 = 1000 g/L
Comparing the calculated density (933.75 g/L) to the known densities, we see that it is closest to the density of Dimethyl sulfoxide (1.1 g/cm^3), which is equal to 1100 g/L.
Therefore, based on the calculated density, it is likely that the unknown liquid is Dimethyl sulfoxide.