Taking into account the definition of density, the volume of cyclohexane should be 23.13 mL.
Definition of density
Density is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space and allows us to measure the amount of mass in a certain volume of a substance.
The expression for the calculation of density is:
density= mass÷ volume
Volume of cyclohexane
In this case, you know that:
- Density= 0.7781 g/mL
- Mass= 18 g
Replacing in the definition of density:
0.7781 g/mL= 18 g÷ volume
Solving:
0.7781 g/mL ×volume= 18 g
volume= 18 g÷ 0.7781 g/mL
volume= 23.13 mL
In summary, the volume of cyclohexane should be 23.13 mL.
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