8-67 For each of the following solutions, how many milliliters of water should be added to yield a solution that has a concentration of 0.100 M?
8-69 Determine the final concentration of each of the following solutions after 20.0 mL of water has been added.
a. 30.0 mL of 5.0 M NaCl solution b. 30.0 mL of 5.0 M AgNO, solution
c. 30.0 mL of 7.5 M NaCl solution d. 60.0 mL of 2.0 M NaCl solution
8-115 At a given temperature, which of the two solutions 1.0 M glucose or 1.0 M NaCl has the higher
a. vapor pressure b. boiling point c. freezing point d. osmotic pressure
8.67)
A) M1V1 = M2V2
50×3 = 0.1×V2
V2 = 1500 mL
Water added = 1500-50 = 1450 mL
8.115)
Vapour pressure = Glucose
Boiling point = NaCl
Freezing point = glucose
Osmotic pressure = NaCl
For each of the following solutions, how many milliliters of water should be added to...
Explain your answer? there are 0.100 m solutions of the following solutes: KCIO4 b. Ca(ClO4)2 is 3 c. Al(ClO4)3 izu d. Sucrose 21 2 a. NaCl 2 e. Which of solution will have the highest vapor pressure? CX Which solution will have the lowest freezing point? C Which solution will have the lowest boiling point? A T Which solution will have the highest osmotic pressure? there are 0.100 m solutions of the following solutes: KCIO4 b. Ca(ClO4)2 is 3 c....
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3a. How many grams of sucrose must be added to 430g of water to lower the vapor pressure 1.4mmHg at 25C? The vapor pressure of water at 25C is 233.8 mmHg and molar mass is 342.3 g/mol 3. Vapor pressure lowering a) How many grams of sucrose must be added to 430 R of water to lower the vapor pressure 1.4 mm Hg at 25 °C? The vapor pressure of water at 25°C is 23.8 mm Hg and the molar...
Consider the following four liquids and/or solutions. pure water a 0.3 m solution of glucose in water a 0.2 m solution of lithium bromide in water a 0.1 m solution of magnesium bromide in water Place the liquids and/or solutions in order of (a) lowest freezing point to highest freezing point (b) lowest boiling point to highest boiling point (c) lowest osmotic pressure to highest osmotic pressure
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Chapter7 20. Explain how to physically make the following solutions. In other words, write instructions for someone to prepare each of the following solutions. Show your calculations in determining amounts needed. Be sure to stay aware of what is possible to physically measure and what is not. 1 kg of a 12%(w/w) solution of NaCl in water a. 500 mL of a 16%(v/v) solution of propanol in water b. 350 mL of a 25%(w/v) solution of glucose in water c....
a) If 1.95 mol of calcium chloride is added to 2.30 kg of water then what is the freezing point lowering and the freezing point of the solution (Kf = 1.86 ºC/m)? b) If 0.500 mol of NaCl is added to 500 mL of water then what is the boiling point elevation and the boiling point of the solution (Kb = 0.52 ºC/m)?
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