Questions on molality and molarity
[DOC File]Molarity & Molality Practice
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Mar 04, 2013 · Molarity & Molality Notes and Practice. Answer the questions below. SHOW ALL WORK, including units!! Watch your significant digits and CIRCLE YOUR ANSWERS. Molarity. Just a reminder, molarity is one of the many ways to measure concentration or the strength of a solution. When using molarity to measure concentration you must follow the formula ...
[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.
[DOC File]AP Chemistry
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Since there is no exam for Unit 8, I am giving you many FRQ questions to study from. 1971 Molarity and molality are two ways of expressing concentration. (a) Clearly distinguish between them (b) Indicate an experimental situation where expressing concentrations as molarity is particularly appropriate.
[DOC File]Molarity Practice Worksheet
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Molarity Practice Worksheet. Find the molarity of the following solutions: SHOW WORK AND UNITS OR NO CREDIT. 0.25 moles of sodium chloride is dissolved to make 0.05 liters of solution..34 moles of calcium chloride is dissolved to make 2.5 liters of solution. 2.9 moles of magnesium chloride is dissolved to make 3.4 liters of solution.
[DOC File]Molarity Lab
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Since they know the volume they started out with they can compute the molarity using the calculated mass. Mr. Green was the murderer. I had great results with this lab, even if their lab techniques weren't perfect since the given range for Mr. Green was 0.5 - 1.5M anyway. Let me know if you have any more questions. Sam Falk. Arlington High ...
[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?
[DOC File]Determining the Molarity of a Saturated Solution
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What are the molality and molarity of HF in this solution? Prelab questions. What is the equation for molality? If you prepared a saturated potassium nitrate solution at room temperature and then raised the temperature 20 degrees Celsius, would you expect the solution …
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basic concepts of chemistry (value based questions) Q1. Two friends Riya and Pooja were discussing that which is better for expressing the concentration of a solution: Molality or Molarity ?Pooja told Riya that Molality is considered better for expressing the concentration as compared to Molarity and explained the reason as well.
[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) M=moles/kg of solvent
[DOC File]Molality Worksheet 13
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Complete the following questions and problems relating to molality. 1) Write the equation for molality: 2) Write the equation for molarity: 3) Explain in words how molality and molarity differ. 4) What is the molality of a solution in which 0.32 moles aluminum chloride has been dissolved in 2,200 g water?
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