QUESTION 3 A solution is made by adding 25.6 g of KNO3 to water until the...
Part B: A chemist prepares a solution by adding 415 mg of CoCl2 (MW = 129.84 g/mol ) to a volumetric flask, and then adding water until the total volume of the contents of the flask reaches the calibration line that indicates 100 mL. Determine the molarity of the prepared solution. (moles per litre, 3 sig figs) Part C: Determine the mass of chloride (MW = 35.45 g/mol ) in grams present in 100 mL of a 0.166 M solution...
An aqueous KNO3 solution is made using 67.00 g of KNO3 diluted to a total solution volume of 1.60 L . Assume a density of 1.05 g/mL for the solution. What is the molarity?
An aqueous KNO3 solution is made using 78.9 g of KNO3 diluted to a total solution volume of 1.85 L. (Assume a density of 1.05 g/mL for the solution.) Calculate the molarity of the solution.
An aqueous KNO3 solution is made using 77.8 g of KNO3 diluted to a total solution volume of 1.98 L . (Assume a density of 1.05 g/mL for the solution.) Calculate the molarity of the solution. Calculate molality of the solution. Calculate the mass percent of the solution.
An aqueous KNO3 solution is made using 82.5 g of KNO3 diluted to a total solution volume of 1.83 L . (Assume a density of 1.05 g/mL for the solution.) calculate molarity, molality and mass percent Need help finding molality
An aqueous KNO3 solution is made using 81.6 g of KNO3 diluted to a total solution volume of 1.86 L. (Assume a sensory of 1.05 g/mL for the solution). A) calculate the molarity B) calculate the molality C) calculate the mass percent
3. Calculate the molarity of a solution made by adding 75.3 g of Na2CO, to a flask and dissolving it with water to create a total volume of 2.75 L. 4. What mass of Kal (in grams) do you need to make 400.0 mL of a 1.65 M KC solution? 5. How many grams of sucrose ( CH2011) are in 2.45 L of 0.525 M sucrose solution? 6. How many mL of a 0.250 M KCl solution contains 34.5 g...
An aqueous KNO3 solution is made using 83.8 g of KNO3diluted to a total solution volume of 2.08 L. (Assume a density of 1.05 g/mL for the solution.) Part A Calculate the molarity of the solution. Express the molarity to three significant figures. molarity = nothing M M SubmitRequest Answer Part B Calculate the molality of the solution. Express the molality to three significant figures. molality = nothing m m SubmitRequest Answer Part C Calculate the mass percent...
Question 17 A solution is prepared by dissolving 45 g sodium carbonate, Na2CO3, in enough water to make 200 mL of solution. If the density of the solution is 1.1094 g/mL, what is the % mass of the solution? Question 18 Calculate the molarity of a 4.628 m solution of Sr(NO3)2 in H2O. The density of this solution is 1 g/mL Include units. Question 19 What is the molarity of a sodium chloride solution prepared by diluting 2.1 mL of...
3. A glucose solution (CHO) is prepared by adding 5.00 g of glucose to enough water to make 2000 mL of solution What is the % (m/V) of this solution? b. What volume in ml. of this solution would contain 0.0735 g of glucose? c. How many grams of glucose would be present in 185 ml of this solution? d. How many moles of glucose would be present in 49.7mL of this solution? e. If the density of the solution...