A serum specimen was diluted by adding 100 L of serum to 0.50 mL of saline and
0.10 mL of deionized water. A glucose determination was performed and the
concentration of the diluted sample was found to be 123 mg/dL. What is the
concentration of the undiluted patient specimen?
A urea standard was prepared by mixing 2.0 mL of a 0.050 g/dL solution and 2.0
mL of a 10 mg/dL standard. What is the mg/dL concentration of the prepared
standard urea standard?
How much 12.0 Eq/L H2SO4 is required to prepare 100 mL of a 60 mEq/L
A 10 L solution of 0.50 mol/L concentration was prepared by adding 250 mL of
stock solution and adjusting the volume to 10 L. What is the concentration of the
How much water must be added to 500 mL of a 10 g/dL NaOH to dilute the
concentration to 0.50 Eq/L?
What is the Eq/L concentration of a sodium standard that was prepared by mixing
2.0 mL of a 5.0 Eq/L Na2HPO4 with 4.0 mL of a 1.0 mol/L Na2HPO4?
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