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[DOC File]Molarity Worksheet
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“Beer’s Law” Lab – A lab in which you will practice making and using dilutions. in order to better understand “molarity”, what it means to make a “dilution”, as well as the M1V1 = M2V2 formula. Materials
molarity and molality problems

[DOC File]Molarity Worksheet #1 - Science Done Wright
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What does molarity mean? Number of moles of solute. 1 liter solution. What is the molarity of a solution that contains 4.53 moles of lithium nitrate in 2.85 liters of solution? 4.53 mol LiNO3 = 1.59 M LiN03. 2.85 L soln. What is the molarity of a solution that contains 0.00372 moles hydrochloric acid in 2.39 x 10-2 liters of solution?
molarity vs molality

[DOC File]Molarity Notes – H
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Molarity Notes – H. Chemistry Name _____ Reference the text pp. 418-421 of our text (omit Molality). Sample problems A, B and C are appropriate for our class as well as the practice problems at the bottom of p. 421. Molarity. means moles of solute dissolved per …
molarity and molality formula

[DOC File]Solutions Practice-1
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2. Under what conditions are the molality and molarity of a solution nearly the same? a) For all solutions where water is the solvent. b) For all solutions which are very dilute. c) For all dilute solutions in which the solvent has a density near 1.0 g/mL. d) For all solutions in …
density molarity and molality

[DOC File]Molality Worksheet 13
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Molality Worksheet. Complete the following questions and problems relating to molality. 1) Write the equation for molality: M= moles solute/ kg of solvent. 2) Write the equation for molarity: M=moles solute/ L of solution. 3) Explain in words how molality and molarity differ. M=moles/L of solution (total volume)
molarity vs molality units

[DOC File]Chapter 13 worksheet #1
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Molality is greater than molarity because the volume increases when the solute dissolves in water so now the volume of the solution is greater than the mass of the water. If there is very little solute (dilute solution) then it is a good assumption that the volume does not change and molarity equals molality.
molarity and molality problems worksheet

[DOC File]Chapter 13 worksheet #1
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Calculate the molality, mole fraction, mass % and ppm of NaOH in this solution. (You will need the density of water.) Consider a 0.300 M solution of NaOH? Calculate the molality of NaOH. (Assume the density of the solution is the same as the density of pure water.) Notice that the molality is a little bigger than molarity.
finding molarity from molality

[DOC File]Molarity Practice Worksheet
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Molarity and Molality Practice Worksheet. Find the molarity of the following solutions: 1) 0.5 moles of sodium chloride is dissolved to make 0.05 liters of solution. 2) 0.5 grams of sodium chloride is dissolved to make 0.05 liters of solution. 3) 734 grams of lithium sulfate are dissolved to make 2500 mL of solution.
molality and molarity practice problems

[DOC File]Molality Worksheet - Wisconsin Lutheran High School
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What is the molality of a solution that contains 63.0 g HNO3 in 0.500 kg H2O? What is the molality of a solution that contains .500 mol HC2H3O2 in 0.125 kg H2O? What mass of water is required to dissolve 100. g NaCl to prepare a 1.50 m solution? What mass of water must be used to dissolve 0.500 kg C2H5OH to prepare a 3.00 m solution?
molarity and molality problems

[DOC File]SOLUTIONS
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5. 2.5 g MOLARITY PRACTICE PROBLEMS. SOLID. 1. Determine the molarity of a solution prepared by dissolving 45.0g of CaCl2 in 450mL of water. 2. What mass of sodium nitrate must be added to 750mL of water in order to prepare a 0.55M solution? Rewrite 0.55M as: _____ 3. What volume of 3.2M saline solution can be made using 2.0moles of salt?
molarity vs molality

Molarity and molality practice