A rock with a mass of 70 grams is dropped into a graduated cylinder with 30 mL of water in it. The water level rose to 35 mL calculate the density of the rock in g/mL

14 g/mL

Explanation:

The formula to find the density is p=m/v.

The mass is 70 grams. The volume is 5 due the the fact that we subtracted the final volume to the initial volume. Then we divide 70 by 5 and you'll get 14 as your answer.

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Equation is set below:

p= m/v

p=70/5

p= 14

the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3