Answer :
The density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 mL/g.
To calculate the mass of 37.4 mL of the liquid in grams
we will have to use the following formula:
Mass = Volume × Density or m = V × d
where,
m = mass
V = volume of the liquid in mL
d = density of the liquid in g/mL
Given the volume of the liquid is 37.4 mL and its density is 0.798 g/mL.
Mass = Volume × Density
= 37.4 mL × 0.798 g/mL
= 29.8272 g (approx)
We can round this answer to 30 g with the correct number of significant digits (two).
Hence, the mass of 37.4 mL of the liquid in grams is 30 g.
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