Find the density of a rock that has a mass of 18 g and when dropped into 50ml of water, causes the water to rise to the 67ml mark

1.056 g/mL

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Given data:

density= ?

volume of water = 50 mL

volume of water + rock = 67 mL

mass= 18 g

first of all we will calculate the volume of rock.

volume of rock = volume of (water + rock) - volume of water

volume of rock = 67 mL - 50 mL

volume of rock = 17 mL

Now we will put the values in the formula,

d= m/v

d= 18 g/ 17 mL

d= 1.056 g/mL

The density of rock is 1.056 g/mL

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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