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[DOC File]Chapter 7 - SOLUTIONS and COLLOIDS
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The osmotic pressure of a solution is dependent on the molarity and temperature of the solution, such that, = nMRT, where M is molar concentration, R = 0.08206 L.atm/(mol.K), T is temperature in Kelvin, and n is the number of moles of solute particles formed in solution per mole of the solute dissolved.
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[DOC File]Solubility Curve Practice Problems Worksheet 1
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Determine the molarity of a saturated NaCl solution at 25°C. Solution. We can see from the curve that about 38 g of NaCl dissolves in 100mL at 25°C. Molarity, M, has the units mol·L-1, so we want to convert 38g ·100mL-1 to mol·L-1. We will use unit analysis to do this. First, however, let's convert mL to L: 38g . 100mL × 10 . 10 = 380g ...
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[DOCX File]Chem. 116 Spring 2009 Worked Lecture Problems/Examples
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Chapter 1. 1-19 How many grams of perchloric acid, HClO. 4, are contained in 37.6 g of 70.5 wt% aqueous perchloric acid?How many grams of water are in the same solution? 1-30 What is the maximum volume of 0.25M sodium hypochlorite solution (NaOCl, laundry bleach) that can be prepared by dilution of 1.00 L of 0.80 M NaOCl?
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[DOC File]Test Review Chapter 1
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Molarity Problems . 1. Determine the molarity of a solution prepared by dissolving . 0.5 moles of HCl in enough water to make 2.5 L of solution. 2. 2.0 moles of BaOH has been dissolved into a solution which now has. a volume of 3.0 L. Calculate the molarity of the solution. 3.
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[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.
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[DOC File]Understanding the shapes of titration curves
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The molarity of the acid or base being titrated. Let’s assume an acid is being titrated and a base is the titrant. In this case, you know the volume of the acid and the molarity of the base. You measure the volume of base required to reach the equivalence point. Since you know the stoichiometric ratio, the only unknown is the molarity of the ...
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[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.
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[DOC File]AP Chemistry study guide for Solutions (Chapter 11)
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Sample AP problems. 15. The weight of H2SO4 (molecular weight 98.1) in 50.0 milliliters of a 6.00-molar solution is ... other ratio examples: 1, 6.5 ---> 4, 5 0.25, 1.625 ---> 1, 1.25 ... the pressure is increased. Since the solvent is being lost, and the solute remains the same, the Molarity will increase. The only way to get the solute out of ...
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[DOC File]SOLUTIONS - Livingston Public Schools
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MOLARITY Molarity = mol solute L solution. molarity = mol solute per liter solution [ ] = “the molarity of” Sample Problems: SOLID: Find the molarity of a solution prepared by dissolving 1.5moles of sodium nitrate in 350mL of water. M = = 4.3 M. b. Find the molarity of a solution prepared by dissolving 10.0g of sodium nitrate in 425mL of water.
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[DOC File]Concentration Worksheet
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5) What is the molarity of a solution in which 0.45 grams of sodium nitrate are dissolved in 265 mL of solution. 0.020 M. 6) What is the mole fraction of sulfuric acid in a solution made by adding 3.4 grams of sulfuric acid to 3,500 mL of water? 1.8 x 10-4 7) What will the volume of a 0.50 M solution be if it contains 25 grams of calcium hydroxide?
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Molarity problems examples