Problem: 70.0 mL of a 1.30 M solution is diluted to a total volume of 238 mL. A 119-mL portion of that solution is diluted by adding 125 mL of water. What is the final concentration? Assume the volumes are additive.

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70.0 mL of a 1.30 M solution is diluted to a total volume of 238 mL. A 119-mL portion of that solution is diluted by adding 125 mL of water. What is the final concentration? Assume the volumes are additive.

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