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calculate the mass of NaCl required to make 3.0 liters of a 0.85% (w/v) solution.
10. Volume of sample in liters 11. Molarity of NaCl solution (Show calculations.) Questions and Problems 05 A 15.0-ml sample of NaCl solution has a mass of 15.78 g. After the NaCl solu- tion is evaporated to dryness, the dry salt residue has a mass of 3.26 g. Calculate the following concentrations for the NaCl solution. a. % (m/m) b. % (m/v) c. molarity (M) Q6 How many grams of KI are in 25.0 mL of a 3.0% (m/v) KI...
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.
It is desired to make a solution that is 7.0% by mass NaCl. If 190g NaCl are available, what mass of solution can be prepared? Number
Part A. caculate the molarity. 6.65 g of NaCl in 250. mL of a NaCl solution Part B. calculate the volume, in liters, for each of the following 34.0 g of NaHCO3 from a 1.00 M NaHCO3 solution (express your answer as three significant figures) Part C. calculate the final concentration of each of the following 1. a 20.0 ml sample of an 7.0% (m/v) KBr solution is diluted with water so that the final volume is 222.0 mL 2....
Calculate the mass/volume percent (m/v) of 16.0 g NaCl in 70.5 mL of solution.
Calculate the mass/volume percent (m/v) of 21.0 g NaCl in 67.5 mL of solution.
Physiological saline requires a concentration of 0.85% NaCl. How much NaCl must be added to if you wish to make 3500.0 ml of the 0.85% solution?
Part A How many liters of a 0.10% (m/v) KCHIV solution can be prepared from 3.0 L of a 3.5% (m/v) stock solution? Express your answer in liters to two significant figures. IVO AEP Osa? Volume = Submit Request Answer Provide Feedback
Explain how you would make 4 liters of an approximately 300 mosmol solution of NaCl. You know that this is a 0.9 % solution of NaCl. Show your calculations. What is significant about a 300 mosmol solution of Nac Question 62 (5 points) Explain the two types of new bone formation, intramembranous and endochondral and give examples of where they occur.
Part A How many liters of a 0.10% (m/v) KCHIV solution can be prepared from 3.0 L of a 35% (m/v) stock solution? Express your answer in liters to two significant figures. IVO AXPO Volume = 10 Submit Previous Answers Request Answer X Incorrect: Try Again