A 66.0 mL portion of a 1.50 M solution is diluted to a total volume of 248 mL. A 124 mL portion of that solution is diluted by

Question

A 66.0 mL portion of a 1.50 M solution is diluted to a total volume of 248 mL. A 124 mL portion of that solution is diluted by adding 135 mL of water. What is the final concentration? Assume the volumes are additive.

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