Question 1

Give the major force between ethanol and water.

Accepted Answer

A)  dipole-dipole 
B)  dispersion 
C)  hydrogen bonding 
D)  ion-ion 
E)  ion-dipole 
A)  dipole-dipole 
B)  dispersion 
C)  hydrogen bonding 
D)  ion-ion 
E)  ion-dipole

Question 2

A fluid with as osmotic pressure greater than those of bodily fluids are referred to as

Accepted Answer

A)  isosmotic. 
B)  hyperosmotic. 
C)  hyposmotic. 
D)  neosmotic. 
E)  magnosmotic. 
A)  isosmotic. 
B)  hyperosmotic. 
C)  hyposmotic. 
D)  neosmotic. 
E)  magnosmotic.

Question 3

At 20°C,a 0.376 M aqueous solution of ammonium chloride has a density of   What is the mass % of ammonium chloride in the solution? The formula weight of NH4Cl is 53.50 g/mol.

Accepted Answer

A)  0.381 
B)  0.705 
C)  0.374 
D)  2.68 
E)  2.00 
A)  0.381 
B)  0.705 
C)  0.374 
D)  2.68 
E)  2.00

Question 4

Commercial grade HCl solutions are typically 39.0% (by mass)HCl in water.Determine the molality of the HCl,if the solution has a density of 1.20 g/mL.

Accepted Answer

A)  39.0 m 
B)  17.5 m 
C)  6.39 m 
D)  10.7 m 
E)  9.44 m 
A)  39.0 m 
B)  17.5 m 
C)  6.39 m 
D)  10.7 m 
E)  9.44 m

Question 5

Give the term for the amount of solute in moles per liter of solution.

Accepted Answer

A)  molality 
B)  molarity 
C)  mole fraction 
D)  mole percent 
E)  mass percent 
A)  molality 
B)  molarity 
C)  mole fraction 
D)  mole percent 
E)  mass percent

Question 6

Which of the following compounds will be most soluble in ethanol (CH3CH2OH)?

Accepted Answer

A)  trimethylamine (N(CH3)3) 
B)  acetone (CH3COCH3) 
C)  ethylene glycol (HOCH2CH2OH) 
D)  hexane (CH3CH2CH2CH2CH2CH3) 
E)  None of these compounds should be soluble in ethanol. 
A)  trimethylamine (N(CH3)3) 
B)  acetone (CH3COCH3) 
C)  ethylene glycol (HOCH2CH2OH) 
D)  hexane (CH3CH2CH2CH2CH2CH3) 
E)  None of these compounds should be soluble in ethanol.

Question 7

A solution is prepared by adding 1.43 mol of KCl to 889 g of water.The concentration of KCl is ________ molal.

Accepted Answer

A)  1.61 × 10-3 
B)  622 
C)  0.622 
D)  1.27 × 103 
E)  1.61 
A)  1.61 × 10-3 
B)  622 
C)  0.622 
D)  1.27 × 103 
E)  1.61

Question 8

Define osmosis.

Accepted Answer

Osmosis is the flow of solvent

Give the major force between ethanol and water.

A fluid with as osmotic pressure greater than those of bodily fluids are referred to as

At 20°C,a 0.376 M aqueous solution of ammonium chloride has a density of What is the mass % of ammonium chloride in the solution? The formula weight of NH₄Cl is 53.50 g/mol.

Commercial grade HCl solutions are typically 39.0% (by mass)HCl in water.Determine the molality of the HCl,if the solution has a density of 1.20 g/mL.

Give the term for the amount of solute in moles per liter of solution.

Which of the following compounds will be most soluble in ethanol (CH₃CH₂OH)?

A solution is prepared by adding 1.43 mol of KCl to 889 g of water.The concentration of KCl is ________ molal.

Define osmosis.

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Transition Metals and Coordination Compounds

Filters

Exam 14: Solutions

Give the major force between ethanol and water.

A fluid with as osmotic pressure greater than those of bodily fluids are referred to as

At 20°C,a 0.376 M aqueous solution of ammonium chloride has a density of What is the mass % of ammonium chloride in the solution? The formula weight of NH4Cl is 53.50 g/mol.

Commercial grade HCl solutions are typically 39.0% (by mass)HCl in water.Determine the molality of the HCl,if the solution has a density of 1.20 g/mL.

Give the term for the amount of solute in moles per liter of solution.

Which of the following compounds will be most soluble in ethanol (CH3CH2OH)?

A solution is prepared by adding 1.43 mol of KCl to 889 g of water.The concentration of KCl is ________ molal.

Define osmosis.

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Transition Metals and Coordination Compounds

Filters

At 20°C,a 0.376 M aqueous solution of ammonium chloride has a density of What is the mass % of ammonium chloride in the solution? The formula weight of NH₄Cl is 53.50 g/mol.

Which of the following compounds will be most soluble in ethanol (CH₃CH₂OH)?