Neutralization Reactions — Unit test Answers
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The concentration of a solute in a solution is greater than the maximum concentration that is predicted from the solute's solubility. What is the best way to describe this solution?
A
dilutedB
saturatedC
unsaturatedD
supersaturated22
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Which is true about the dissolving process in water?
A
Nonpolar solutes dissolve easily in water.B
Solute molecules surround water molecules.C
Molecules or ions of a solute spread throughout the water molecules.D
Water molecules are repelled by solute ions at the surface of the solute.23
The graph below shows how solubility changes with temperature.Which two solutions have similar solubilities at 40°C?
A
Na2SO4 and NaClB
Na2HAsO4 and NaClC
Na2HAsO4 and Na2SO4D
Ba(NO3)2 and Ce2(SO4)3 • 9H2O24
Which statement about the self-ionization of water is correct?
A
Two water molecules interact to form a water molecule and a hydroxide ion.B
Two water molecules interact to form a hydronium ion and a hydroxide ion.C
Two water molecules interact to form two hydronium ions.D
Two water molecules interact to form two hydroxide ions.25
Note the pH and pOH values labeled with letters on the pH scale below.Based on log rules and the way pH is calculated, what is the difference in [OH– ] concentration between point A and point B.
A
101B
105C
106D
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