Calculate the density of the unknown metal. Choose the answer with the correct number of significant figures.  a.9.0 g mL-1 b.8.95 g mL-1 c.8.9 g mL-1 d. 8.951 g mL-1

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Calculate the density of the unknown metal. Choose the answer with the correct number of significant figures. 

a.9.0 g mL-1
b.8.95 g mL-1
c.8.9 g mL-1
d. 8.951 g mL-1
 
 
What is the pH of a solution with an H+ concentration of 6.8 x 10-4 M? 
a.3.2
b. 3.17
c. 3.167
d. 3
Her lab supervisor asked In-ah to determine the density of an unknown metal by the water displacement method. Given
the following data:
mass of metal
initial volume of water
final volume of water
5.0128 g
...
5.00
5.56
(after dropping the metal)
Calculate the density of the unknown metal. Choose the answer with the correct number of significant figures.
Transcribed Image Text:Her lab supervisor asked In-ah to determine the density of an unknown metal by the water displacement method. Given the following data: mass of metal initial volume of water final volume of water 5.0128 g ... 5.00 5.56 (after dropping the metal) Calculate the density of the unknown metal. Choose the answer with the correct number of significant figures.
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