For an AST determination, 0.20 mL of serum was used. The change in absorbance was measure at 340 nm with a 3.0 mL reaction mixture. The initial reading was 0.54 A and the reading after 5 minutes was 0.32 A. Report the AST value in IU.

Express the following numbers in conventional form: 66 x 10-7 5.4 x 10-2 31 x 105 0.7 x 103

Calculate the pH of a 0.0001 N solution of NaOH

Convert the following to the corresponding Celsius or Fahrenheit scale. 37.5oC 100oC -20oC 40oF 72oF

Indicate how 7.64 should be reported to the nearest tenth.

Determine the antilogs for each of the following: 2.48 1.91 3.455

Convert 0.026 to percent.

Perform the following conversions: 1500 uL to mL 50 dL to mL 500 L to dL 0.005 g to mg 5.7 g to mg 32 dL to L

A test procedure calls for 5 mL of undiluted specimen. 2 mL of a 1:50 dilutions is used. The answer obtained is 30 mg/dL. What answer should be reported?

How many grams of MgSO4 • 7H2O are needed to make 1 L of 0.5 M solution of MgSO4? (Molecular weight Mg=24.3, S=32.0, O=16.0, H=1.0)