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07-03-2024
Chemistry

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A 25.00 mL sample of water was titrated with 15.73 mL of 0.01258 M EDTA. Calculate the concentration of Ca²⁺ ions in the water (in ppm) .
A) 0.314 ppm
B) 6.28 ppm
C) 1.57 ppm
D) 12.56 ppm

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