
Concept explainers
Interpretation:
The density of the liquid needs to be determined.
Concept introduction:
The formula of calculation of density is,
The unit of density of

Answer to Problem 123A
Density of the unknown liquid is
Explanation of Solution
Given that the mass of the cylinder containing 2ml liquid is 34.68 g and the mass of empty cylinder is 30.00 g. From this information, mass of the liquid can be calculated.
Volume of the sample is
Thus, the density of a liquid can be calculated using its and volume and it is 2.34 g/mL.
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