Chloroform is a volatile liquid once commonly used in the laboratory but now being phased out due to its ozone depletion potential.
If the pressure of gaseous chloroform in a flask is 195 mm Hg at 25C and its density is 1.25 g/L, what is the molar mass of chloroform?
A) 10.0 g/mol
B) 76.3 g/mol
C) 119 g/mol
D) none of the above
Question 2
The molarity of urea in a solution prepared by dissolving 16 g of urea (MW = 60.0 g/mol) in 39 g of H2O is ________ M. The density of the solution is 1.3 g/mL.
A) 0.11
B) 3.7
C) 6.8
D) 6.3
E) 0.16
Brain Cells of a laboratory mouse
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Common Laboratory Tests and Their Normal Values
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