객관식
Which of the following oxides is predicted to form the most basic aqueous solution?
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14. Solutions
Types of Aqueous Solutions
객관식
Which of the following aqueous solutions contains the greatest number of ions per mole of solute dissolved?
A
1 M KNO3
B
1 M CaCl2
C
1 M C6H12O6 (glucose)
D
1 M NaCl
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검증된 단계별 안내1
Identify the solute in each solution and determine how it dissociates in water into ions.
For 1 M KNO\_3, it dissociates into K\^{+} and NO\_3\^{-}, so it produces 2 ions per formula unit.
For 1 M CaCl\_2, it dissociates into Ca\^{2+} and 2 Cl\^{-}, so it produces 3 ions per formula unit.
For 1 M C\_6H\_{12}O\_6 (glucose), it is a molecular compound and does not dissociate into ions, so it produces 0 ions per formula unit.
For 1 M NaCl, it dissociates into Na\^{+} and Cl\^{-}, so it produces 2 ions per formula unit. Compare the total ions produced per mole of solute to determine which solution has the greatest number of ions.
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