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What Is the Concentration of Ca²⁺ in Ppm (Mg/L)in Cave

Question 44

Question 44

Multiple Choice

What is the concentration of Ca²⁺ in ppm (mg/L) in cave water saturated with calcite (calcium carbonate,K_sp = 4.7 × 10^-9) ?

A) 7.5 ppm
B) 6.9 ppm
C) 5.0 ppm
D) 3.8 ppm
E) 2.7 ppm

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