50 mL graduated cylinder contains 25.0 mL of water. A 142.5040 g piece of osmium is placed in the graduated cylinder and the wat er level rises to 31.3 mL. What is the density of the piece of osmium?
1 answer:
Answer:
22.6g/mL
Explanation:
density = mass / volume
given mass of object : 142.5040
volume of object : not given however we are told that when placed inside of a cylinder with 25 mL of water the water level rises to 31.3 mL
31.3 - 25 = 6.3
So the water level rose by 6.3 mL meaning that the object has a volume of 6.3 mL
Now to find the density.
Recall that density = mass / volume
mass = 142.5040 g and volume = 6.3 mL
so density = 142.5040g / 6.3 mL = 22.6 g / ml
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