half normal saline is 0.50% NaCl. express this concentration in mEq/L (MW NaCl is 58)
How to convert a compound with MW of 300 from 20 mg/mL to ooM? mg/mL MW
How to convert a compound with MW of 300 from 20 mg/mL to ooM? mg/mL MW
What is the meq weight (mg/meq) of Ca2+ if the atomic weight is ~40?
11. What is the molarity of a solution containing 15.4 mg of NaCl in 0.5 ml of dH,O?
13. How many mL of a 4M NaCl (MW=589.mol-1) so- lution contains 5 grans of NaCl. Ans: 21mL 14. How many grams of solute are there in 100mL of a 0.01M HNO3 (MW=63g · mol-1) solution. Ans: 0.062g
using 40 mg of estrone (MW 270.4) and 1 ml of .5 M NaBH4.
A. What is the limiting reagent?
B. What is the theoretical yield?
NaBH4 EIOH, 70 'c но но HO estrone MW 270.4 mp 260-2°C 17-B-estradiol MW 272.39 mp 178-9°C 17-a-estradiol MW 272.39 mp 220.3 C
MW molewo one expand 4. a) Calculate the mass of NaCl needed to prepare 35.0 mL of a 0.90% w/v Naci solution b) Calculate the mass of NaCl needed to prepare 35.0 mL of a 20.0 % wly NaCl solution. c) Describe how you would make the solution for 4a. Be brief, but quantitative, in your answer.
There are 140 mEq/L of Na+ in blood. How many mg of Na are in 1.2 L? (mw=23)
How many grams of NaCl (MW 58.44) should you use to make a 500 ml of a 0.64 M solution?
34.6 mg NaCl in 110.4 mL of solution Find Molarity.