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At 20.00° C, the density of copper is 8.900 g/cm³. If a section of copper pipe displaces 285.0 milliliters of water when dropped in a displacement tank, what is the mass of the pipe? A. 0.0310 g B. 32.
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4 votes
At 20.00° C, the density of copper is 8.900 g/cm³. If a section of copper pipe displaces 285.0 milliliters of water when dropped in a displacement tank, what is the mass of the pipe?

A. 0.0310 g
B. 32.00 g
C. 320.0 g
D. 2537 g

User Arcord
by
8.8k points

1 Answer

4 votes
D would be the right choice, 2537g following example


X=100/7.8=12.8cm^3
**************************************...
2. "d" 285milliliters=285cm^3
8.9g/cm^3 :: 285cm^3/X
X=8.9X2.85=2537gram
User Anh Tuan
by
8.5k points
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