Leftover Aluminum Wire Lab Answer Key Jun 2026

Most versions of this lab provide the following initial data (numbers may vary slightly by textbook or instructor). For this answer key, we will use a standard example:

ions. As these ions are reduced to copper metal, the blue color fades, eventually turning colorless when the cap C u cap C l sub 2 is fully consumed. Precipitate Formation leftover aluminum wire lab answer key

| Parameter | Theoretical Value (Based on 5.00g ( CuCl_2 \cdot 2H_2O )) | Experimental Example | | :--- | :--- | :--- | | | 2.50 g | 2.50 g | | Mass Cu Produced | 1.18 g | 1.18 g | | Moles Cu | 0.0186 mol | 0.0186 mol | | Al Reacted | 0.335 g | 0.335 g | | Leftover Al Wire | 2.165 g | 2.165 g | | Percent Yield of Cu | 100% (theoretical) | 100% (if ideal) | Most versions of this lab provide the following

If you are using displacement, lightly tap or twirl the wire once it's in the water to knock off any trapped air bubbles. Units: Never forget to label your answers with g/cm3g/cm cubed Precipitate Formation | Parameter | Theoretical Value (Based