JaylaBayla21 JaylaBayla21

24-04-2021
Mathematics

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A rock weighs 80 g on a triple beam scale. The same rock is then gently placed inside a graduated cylinder containing 30 mL of water. If the water level in the graduated cylinder rises to 75 mL. What is the density of the rock

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mhanifa mhanifa

24-04-2021

Answer:

1.78 g/cm³

Step-by-step explanation:

80 g rock displaces water:

75 ml - 30 ml = 45 ml = 45 cm³

Density = mass / volume:

d = 80 g / 45 cm³
d = 1.78 g/cm³ (rounded)

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