Molarity = moles of KI / Volume of water in L
What is the molarity (moles per Liter) of an aqueous solution that is prepared by dissolving...
What is the molarity of the solution that is prepared by dissolving 15 mL bromine in enough acetic acid to make 100.0 mL of solution? (molar mass of Br2 = 159.81 g/mole; density 3.12 g/mL)?
Question 13 Select the molarity of the solution prepared by dissolving 1.62 moles of NaBr in 5.88 liters of solution Selected Answer: 2.76M Correct Answer: 0.276 M Response Feedback: Incorrect Molarity - #moles of solute / # liters of solution. Question 14 Select the molarity of the solution prepared by dissolving 12.9 grams KF in 535 mL of solution: Selected Answer: 0.0241 M Correct Answer: 0.415 M Response Feedback: Incorrect! Let the units drive the solution: #grams x (1 mole/...
QUESTION 7 What is the molarity of a solution prepared by dissolving 1453 g of lactose (C12H2011) in 2890 mL of water? Molanity- moles of solute L solution Number of moles mass of compound molar mass 5 points) A. Moles lactose B. Molarity:
1. An aqueous solution of potassium thiosulfate is prepared by dissolving 3.70 g of potassium thiosulfate in 7.11×102 g of water. The density of the solution is 1.37 g mL-1. a) Determine the mass percent of potassium thiosulfate in the solution. b) Determine the mole fraction of potassium thiosulfate in the solution. 2. An aqueous solution of potassium bromide is prepared by dissolving 8.75 g of potassium bromide in 8.29×102 g of water. The density of the solution is 1.20...
What is the molarity of a solution prepared by dissolving 5.90 grams of calcium nitrite [Ca(NO2)2, molar mass=132.10 g/mol] in enough water to make a 106.0 mL soln?
Question 25 of 35 > What is molarity of A1+ ions in a solution prepared by dissolving 1.06 g of Al2(SO4)3 in 250,0 mL of water. Molar mass of Al2(SO4)3 is 342.15 g/mol. Enter your answer in the provided box. For this question, show your complete work in Part 2 Question 24 of 35 > An aqueous potassium iodate stock solution is made by dissolving 5.86 mol KIO, in sufficient water for the final volume of the solution to be...
please help with #9 due tomorrow 8. Calculate the molarity of a solution made by dissolving 0.632 g of Na:SO. (molar mass = 142.0 g/mol) in enough liquid to make 250.0 mL of solution. (6 points) Moles of Na2SO4= 0.652 :0.0044 So mais 142.0 g/mol 0.004450MLES - 0-0178 M 0.25L 9. What is the concentration (in moles per liter) of sodium ions in the solution described in question 8?
What is the molarity of FeCl3 in a solution prepared by dissolving 10.0 g of FeCl3 in enough water to make 275 mL of solution?
1. (p) What is the molarity of the solution that was prepared by dissolving 5.5 moles of H2SO4 to a final volume of 25 L? (Conversions with Molarity 101) 2. (IP) How many moles of potassium nitrate are in 250 mL of 0.45 M solution? (Conversions with Molarity 101) 3. (1 p) How many grams of sodium sulfate are in 500 mL of a 0.15 M solution? (Conversions with Molarity 101)
Determine the molarity of a solution made by dissolving 1.76 moles of potassium nitrate in enough water to make 250.0 mL of solution