Fractional Precipitation Pogil Answer Key 2021 ((top)) • Original & Trending

While the first metal is busy forming solid crystals and falling to the bottom of the beaker, the other metal (Zinc) remains perfectly dissolved in the liquid. By carefully controlling the amount of reagent added, you can "freeze" the race right after the first competitor has finished but before the second one starts. 4. The Finish: Recovery

Cu(NO3)2(aq)+Na2CO3(aq)→CuCO3(s)+2NaNO3(aq)cap C u open paren cap N cap O sub 3 close paren sub 2 open paren a q close paren plus cap N a sub 2 cap C cap O sub 3 open paren a q close paren right arrow cap C u cap C cap O sub 3 open paren s close paren plus 2 cap N a cap N cap O sub 3 open paren a q close paren Model 2: Determining Which Precipitate Forms First : A precipitate begins to form only when Kspcap K sub s p end-sub Values : Kspcap K sub s p end-sub Kspcap K sub s p end-sub fractional precipitation pogil answer key 2021

: The compound that requires the lowest concentration of the common ion (e.g., CO32−cap C cap O sub 3 raised to the 2 minus power While the first metal is busy forming solid

Imagine a solution containing two different metal "competitors"—for example, cap C u raised to the 2 plus power cap Z n raised to the 2 plus power we recommend the following resources:

The true "answer key" to a POGIL activity is the understanding of the underlying logic:

The POGIL exercise often asks which ion will precipitate first.

For additional information on fractional precipitation and the POGIL approach, we recommend the following resources: