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COMPONENT MOLARITY TO3/S01 Determine the molarity (M) of Cl in a AlCl3 solution prepared by dissolving...
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:
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...
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?
. 0.275 L of solution is prepared by dissolving 2.50 g of an unknown molecular compound in enough water. The osmotic pressure of this solution is 1.98 atm at 27 °C. (R = 0.08206 L·atm/mol·K) a) Determine the molar mass of the molecular compound. (7 pts) b) If you need to prepare 0.275 L of AlCl3 solution with the same osmotic pressure of the above solution, what mass of AlCl3 (MW = 133.33 g/mol) would you need to weigh out?
Determine the molarity of a solution of potassium chloride that is prepared by dissolving 1.4753 g of KCl in a 100-mL volumetric flask and filling it to the calibration mark with deionized water. Use a molar mass with at least 4 significant figures so that the number of SF in the calculated molarity is not limited. Show all calculations (including labeled conversion factors) and express the answer with the appropriate number of significant figures. According to the manufacturer, the volume...
Determine the concentrations of MgCl2, Mg2+ and Cl- in a solution prepared by dissolving 1.94 x 10^-4 g MgCl2 in 1.25 L of water. Express all three concentrations in molarity. Additionally, express the concentrations of the ionic species in parts per million (ppm).
What is the molarity (moles per Liter) of an aqueous solution that is prepared by dissolving 41.5 g of potassium iodide (KI; Molar Mass = 166.0 g/mole) in enough water to make 2,500.0 mL of solution? (5 points]
Calculate the molarity (M) of a solution prepared by dissolving 15.1 g of HBr in enough water to make 2.75 L of solution.
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)?
Calculate the molarity of a solution prepared by dissolving 0.710 mol of calcium sulfate in 4.79 L of water. 6.75 mol/L 0.000148 mol/l O 0.404 mol/L O 0.148 mol/L. 20.2 mol/L