Posted on November 20, 2024November 20, 2024 Chem 12 The core competency that I focused on during lab 19C was surrounding critical and reflective thinking. I used my critical thinking skills to make educated guesses on which test tubes containing varying concentrations of Pb(NO3)2 and KI would form a PbI2 precipitate. I did this by calculating the TIP beforehand, and comparing it to the recorded KSP of PbI2. I <3 chemistry print