Scelta multipla
You have 200.0 mL of 0.150 M aqueous NH4Cl. Which of the following statements is true?
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6. Chemical Quantities & Aqueous Reactions
Solutions
Scelta multipla
Which of the following solutions would be most likely to have the highest water concentration?
A
0.1 M NaCl solution
B
2.0 M NaCl solution
C
0.5 M NaCl solution
D
1.0 M NaCl solution
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Understand that the concentration of a solution is given in molarity (M), which is moles of solute per liter of solution. A lower molarity means fewer moles of solute per liter, implying more water per liter.
Recognize that the question is asking for the solution with the highest water concentration, which corresponds to the solution with the lowest solute concentration.
Compare the given molarities: 0.1 M, 0.5 M, 1.0 M, and 2.0 M. The solution with the lowest molarity will have the highest concentration of water.
Identify that 0.1 M NaCl has the lowest molarity among the options provided.
Conclude that the 0.1 M NaCl solution is most likely to have the highest water concentration because it has the least amount of solute per liter of solution.
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