A chemist has a 3.50 M NaOH solution. If they add 25.00 mL of this solution to a 500 mL volumetric flask and fill it up to the line with water, what is the concentration of the final solution?
a) It is still 3.50 M
b) 0.175 M
c) 0.0875 M
d) 0.35 M
e) 0.00875 M
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