Normal blood contains 3 mEq/L of Mg2+. How many milligrams of Mg2+ are present in 150.0 mL of blood?
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Normal blood contains 3 mEq/L of Mg2+. How many milligrams of Mg2+ are present in 150.0 mL of blood?
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- The normal concentration of Ca2+ in blood is 5.0 mEq>L. How many milligrams of Ca2+ are in 1.00 L of blood?A concentrated lidocaine solution contains lidocaine 1 g/5 mL. How many milliliters of this injection should be used to prepare a 500 mL IV infusion containing 8 mg/mL of lidocaine in D5W? Do not round.The order is for Dilantin 200 mg, PO, qd. You have on hand Dilantin 250 mg per 5 ml. How many milliliters would you give ?
- What would be the working stock concentration (in molarity) if you diluted 250 uL of a stock concentration of 10 uM in a total volume of 1 mL?Using the formula V₁D₁ = V₂D2, what volume of a 1/100 (10-2) dilution would you need to produce 100 mL of a 1/10000 (10-4) dilution? (Note: provide your answer in decimal format to three decimal places.)If there are 15 mL in one tablespoon, how many milliliters are contained in 3.5tablespoons of a liquid medication? (b) How many milliliters would a patientreceive if he took this dosage four times a day for one week? (c) How many litersdoes this correspond to?
- A 5 ml vial of hydrocortisone is having 2% (w/v) concentration. How many vials will be required, if we need to prepare 30 ml of a 8 mg/ml oral hydrocortisone?How many grams is one mole of potassium chloride KCI?The label for Gastrocrom (cromolyn sodium) gives the strength 100 mg/ 5 mL. How many milligrams of cromolyn sodium are contained in 4 mL of this solution?
- If 10x TBE contains 0.89 M Tris-borate, 0.89 M Boric acid, and 0.02 M EDTA, what is the Molar concentration of Tris-borate in 100 ml of 1x TBE?KCI for injection contains 40 mEq in 20 mL. An order requires 15 mEq, how many mL are needed?The amount of calcium in physiologic fluids can be determined by a complexometric titration with EDTA. In one such analysis, a 0.100-mL sample of blood serum was made basic by adding 2 drops of NaOH and titrated with 0.001 M EDTA, requiring 0.238 mL to reach the end point. Report the concentration of calcium in the sample as miligrams of Ca per 100 mL. (Ca = 40.078 amu).