Answer:
The answer to your question is 9 g/ml or 9 g/cm³
Explanation:
Data
mass = 45 g
volume = 5 ml
density = ?
Process
1.- Consider that the volume displaced is equal to the volume of the wire.
2.- Write the formula to calculate the density
density = mass/volume
3.- Substitution
density = 45/5
consider milliliters and cubic centimeters are the same.
4.- Result
density = 9 g/ml or 9 g/cm³
The mass of a length of metal wire is 45 g, when the wire is placed in a graduated cylinder with water it displaces 5 mL of water then the density of the metal is 9g/cm³.
Density of any material will be calculated as:
Density = mass / volume
Given mass of wire = 45g
Volume of displaced water = 5mL
Volume of this displaced water is equal to the volume of wire, so the density will be calculated as:
Density = 45/5 = 9g/mL = 9g/cm³
Hence, option (B) is correct i.e. 9g/cm³.
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