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Alex
3 years ago
11

A glass vessel that can be repeatedly filled with precisely the same volume of liquid is called a pycnometer. A certain pycnomet

er, when empty and dry, weighed 25.296 g. When filled with water at 25 oC the pycnometer and water weighed 34.914 g. When filled with a liquid of unknown composition the pycnometer and its contents weighed 33.485 g. At 25 oC the density of water is 0.9970 g/ml. What is the density of the unknown liquid?
Physics
1 answer:
White raven [17]3 years ago
8 0

Answer:

density of liquid 0.848 g/ml

Explanation:

from the information given in the question

mass of water = 34.914 - 25.296 = 9.618 g

volume of pycnometer = volume of water

which will be equal to = \frac{ mass}{density}

= \frac{9.618}{0.9970} = 9.646 ml

mass of liquid =33.485-25.296 = 8.189 ml

density of liquid= \frac{mass}{volum\ of\ liquid}

                           = \frac{8.189}{9.646} =0.848 g/ml

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