Fractional Precipitation Pogil Answer Key Best May 2026

By the time AgCl starts to precipitate, the [I⁻] has dropped from 0.010 M to (4.7 \times 10^-9 M). That’s a decrease by a factor of over 2 million. The separation is essentially complete.

A common mistake is to assume the ion with the smaller (K_sp) always precipitates first regardless of concentration. Is that true? Explain. fractional precipitation pogil answer key best

AgCl begins to precipitate when [Ag⁺] reaches (1.8 \times 10^-8 M). At this [Ag⁺], the remaining [I⁻] is found from the (K_sp) of AgI: By the time AgCl starts to precipitate, the

PbCrO₄ precipitates first (much lower [Pb²⁺]). fractional precipitation pogil answer key best