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If you dissolve 412mg sucrose (Formula Weight: 342.29g/mol) in 60mL of water: a) What is the...
If you dissolve 412 mg sucrose (formula weight: 342.29 g/mol) in 60 mL of water: a. What is the concentration of sucrose in mM in µM? b. If you take 5 mL of this solution and dilute it to 250 mL, what is the concentration of the glucose in the resulting solution in µM? c. How many nano moles of sucrose are present in 10 mL of the diluted solution?
If you dissolve 412 mg sucrose (formula weight: 342.29 g/mol) in 60 mL of water: a. What is the concentration of sucrose in mM in µM? b. If you take 5 mL of this solution and dilute it to 250 mL, what is the concentration of the glucose in the resulting solution in µM? c. How many nano moles of sucrose are present in 10 mL of the diluted solution?
Glucose has a molecular weight of 180 g/mole, sucrose 342 g/mole, and calcium chloride (CaCl2) 111. If we dissolve 18 g of glucose, 34 g of sucrose, and 11 g CaCl2 in 1 kg of water, what will the resulting solution’s osmolarity be? Be describe you methods in your response.
You take 20.0g of a sucrose (C12H22O11) and NaCl mixture and dissolve it in 1.0L of water. The freezing point of this solution is found to be -0.426 degress celsius. Assuming ideal behavior, calculate the mass percent composition of the original mixture, and the mole fraction of sucrose in the original mixture
Help Please! 1 M Sucrose Solution (Sucrose = C12H22011) Formula Weight of Sucrose_342 g/mol How much sucrose would you need to make 1 L of 1M sucrose? How much do you need to make 100 mL? How much do you need to make 50 mL?
assume you dissolve 10.0 g of sucrose c12h22O11 in 225 ml (225g) of water and warm the water to 60 degree Celsius. What is the vapor pressure of the water over this solution? The v.p. Of water at 60 C is 149.4 torr. Assume you dissolve 10.0 g of sucrose (C12H2011) in 225 ml (225 g) of water and warm the water to 60 degree celsius. What is the vapor pressure of the water over this solution? The v.p. of...
If you plan to dissolve 0.075 moles of sucrose (C12H22011) to make 150 mL of solution... (a) How many grams of sucrose should you plan to measure out? (b) What is the molarity of the resulting solution?
In the laboratory you dissolve 13.9 g of potassium phosphatein a volumetric flask and add water to a total volume of 250mL. What is the molarity of the solution? ____ M. What is the concentration of the potassium cation? ____M. What is the concentration of the phosphate anion? ____ M.
Approximately what mass of NH4Cl(s) should you dissolve in the water to achieve this result? The heat of solution of NH4Cl is +14.7kJ/mol NH4Cl. Assume that the density of the dilute solution is the same as that of water. Express your answer to two significant figures and include the appropriate units. Constants 1 Periodic Table You are planning a lecture demonstration to illustrate an endothermic process. You want to lower the temperature of 1200 mL water in an insulated container...
7. You need to prepare 250 mL of a 0.300 M aqueous solution of sucrose, C H20 (aq), which is used frequently in biological experiments. (pts each) A. Which type of glassware should you use to make this solution (assuming that the accuracy of the concentration is important)? 250ml B. What mass of sucrose would you use? Show work C. How should the solute and solvent be mixed in the container? a. Add solute and fill solvent to 250 mark?...