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)

Find the LCD for 1/5, 3/8, 1/2, 2/7.

Express 15% (w/v) HCl in molarity and normality.

The concentration of a protein stock solution is 10 g/dL. A clinical laboratory scientist combines 50 uL of stock solution with 9.95 mL of distilled water. What is the concentration of the dilution? (Remember: volumes must be in the same units)

How much absolute alcohol (100% ethanol) is needed to prepare 3 L of 70% ethanol?

Calculate the normality of 8.5 g of NaOH in 500 mL.

How would you prepare 30 mL of 20% v/v HCl?

Which Linux command can be used to display or set the system’s hostname?

What command is used to insert a module into the Linux kernel?