9. Convert the body weight, round to the nearest tenth. A child weighs 22 lb. Convert to kg.  

Convert the body weights. Round to the nearest tenth. Convert 66.1 kg to lbs.  

29. Ampicillin 200 mg by mouth is ordered. The label reads 500 mg/2 mL. How many mL will you administer?  

How many mL of 80% and 35% solutions needs to be combined to make 1 pint of 50% solution?

A 77-lb patient is ordered aminophylline 3 mg/kg po every 6 hours. The oral liquid is available as 105 mg/5 mL. What volume should be administered per dose?

A physician asks that 250 mL of a 15% solution be prepared from a stock supply of 80% solution. How many mL of the solute (stock solution) are needed?

An order is written for 60 mEq of KCl in 1,000 mL of fluid to run at 125 mL/hour. How many mEq of KCL are delivered each hour?

What is the ratio strength of a 0.025% solution?

A physician orders 16 oz of 25% solution to be made from 10% and 50% stock solutions. How many mL of 50% solution are needed?

What is the percent strength of a solution of 150 g active ingredient in a total of 1,000 mL of solution?