466a For Review 44. Calculate the molarity and mole fraction of acetone in a 1.00-m solution of acetone (CH;COCH;) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm³.) Assume that the volumes of acetone and ethanol add. 45. A 1.37-M solution of citric acid (H;C,H;O,) in water has a density of 1.10 g/cm³. Calculate the mass percent, molality, mole fraction, and normality of the citric acid. Citric acid has three acidic protons. -46. Calculate the normality of each of the following solutions. a. 0.250 M HCI b. 0.105 M H2SO4 c. 5.3 X 10-2 M H,PO4 d. 0.134 M NaOH e. 0.00521 M Ca(OH)2 What is the equivalent mass for each of the acids or bases listed above? Energetics of Solutions and Solubility -47. The lattice energy* of NaI is -686 kJ/mol, and the enthalpy of hydration is -694 kJ/mol. Calculate the enthalpy of solution per mole of solid Nal. Describe the process to which this 1nu ohon applies
466a For Review 44. Calculate the molarity and mole fraction of acetone in a 1.00-m solution of acetone (CH;COCH;) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm³.) Assume that the volumes of acetone and ethanol add. 45. A 1.37-M solution of citric acid (H;C,H;O,) in water has a density of 1.10 g/cm³. Calculate the mass percent, molality, mole fraction, and normality of the citric acid. Citric acid has three acidic protons. -46. Calculate the normality of each of the following solutions. a. 0.250 M HCI b. 0.105 M H2SO4 c. 5.3 X 10-2 M H,PO4 d. 0.134 M NaOH e. 0.00521 M Ca(OH)2 What is the equivalent mass for each of the acids or bases listed above? Energetics of Solutions and Solubility -47. The lattice energy* of NaI is -686 kJ/mol, and the enthalpy of hydration is -694 kJ/mol. Calculate the enthalpy of solution per mole of solid Nal. Describe the process to which this 1nu ohon applies
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Chapter1: Chemical Foundations
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A 1.37-M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mass percent, molality, mike fraction, and normality of the citric acid. Citric acid has three acidic protons.
Transcribed Image Text:466a
For Review
44. Calculate the molarity and mole fraction of acetone in a
1.00-m solution of acetone (CH;COCH;) in ethanol (C2H5OH).
(Density of acetone = 0.788 g/cm3; density of ethanol =
0.789 g/cm³.) Assume that the volumes of acetone and ethanol
add.
45. A 1.37-M solution of citric acid (H;C,H;O,) in water has a
density of 1.10 g/cm³. Calculate the mass percent, molality,
mole fraction, and normality of the citric acid. Citric acid has
three acidic protons.
-46. Calculate the normality of each of the following solutions.
a. 0.250 M HCI
b. 0.105 M H2SO4
c. 5.3 X 10-2 M H,PO4
d. 0.134 M NaOH
e. 0.00521 M Ca(OH)2
What is the equivalent mass for each of the acids or bases
listed above?
Energetics of Solutions and Solubility
-47. The lattice energy* of NaI is -686 kJ/mol, and the enthalpy of
hydration is -694 kJ/mol. Calculate the enthalpy of solution
per mole of solid Nal. Describe the process to which this
1nu ohon
applies
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