What is the final concentration of a NaCl solution prepared by adding 20.0 mL of water to 30.0 mL of 5.0 M NaCl solution?
A) 2.00 M NaCl
B) 3.00 M NaCl
C) 3.33 M NaCl
D) 5.00 M NaCl
E) 7.50 M NaCl
Correct Answer:
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