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A 24.00 mL sample of a solution of Pb(ClO3)2 was diluted with water to 52.00 mL....

A 24.00 mL sample of a solution of Pb(ClO3)2 was diluted with water to 52.00 mL. A 17.00 mL sample of the dilute solution was found to contain 0.220 M ClO3−(aq). What was the concentration of Pb(ClO3)2 in the original undiluted solution?

a.) 3.60 × 10−2 M

b.) 7.19 × 10−2 M

c.) 0.238 M

d.) 0.156 M

e.) 0.477 M

Answer is C, please show work!

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