Answer:
4 mL
Explanation:
Data Given:
Density (d) = 4.8 g/mL
Mass of the substance (m) = 19.2 g
Volume of the sample (V) = ?
Solution:
Formula will be used
d = m/V
As we have to find volume so rearrange the above equation
V = m/d . . . . . . . . . . . (1)
Put values in above equation 1
V = 19.2 g / 4.8 g/mL
V = 4 mL
So,
volume of sample = 4 mL
Answer:
B
Explanation:
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Answer : The volume of the cube submerged in the liquid is, 29.8 mL
Explanation :
First we have to determine the mass of ice.
Formula used :

Given:
Density of ice = 
Volume of ice = 45.0 mL


The cube will float when 40.5 g of liquid is displaced.
Now we have to determine the volume of the cube is submerged in the liquid.



Thus, the volume of the cube submerged in the liquid is, 29.8 mL
The direction oxygen goes is out of the cell. It secretes it.