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A 250 mL sample of .200 M KOH is mixed with 100.0 mL of 0.300 M. Calculate the mass of formed from the unbalanced reaction? A solution is prepared by mixing 100.0 mL of 0.45 M NaCl, 100 mL of 0.082M, and enough to bring the total volume to 400.0 mL. What is the concentration of the chloride ions in the solution? What is the concentration of in 0.0525 M?

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