SHOULD I STAY OR SHOULD I GO??? DISCOVERING SOLUBILITY RULES FOR IONIC COMPOUNDS.

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Presentation transcript:

SHOULD I STAY OR SHOULD I GO??? DISCOVERING SOLUBILITY RULES FOR IONIC COMPOUNDS

LESSON OBJECTIVES DESIGN A LABORATORY EXPERIMENT TO DETERMINE SOLUBILITY OF SUBSTANCES IN WATER. IMPLEMENT AND ADJUST DESIGNED LAB EXPERIMENT TO DETERMINE SOLUBILITY OF VARIOUS IONIC COMPOUNDS IN WATER. DEVELOP GENERAL SOLUBILITY RULES FOR VARIOUS IONIC COMPOUNDS BASED ON EXPERIMENTAL DATA. PREDICT PRODUCTS OF PRECIPITATION REACTIONS BASED ON THE SOLUBILITY RULES.

WHAT DO THE FOLLOWING TERMS MEAN? SOLUBLE INSOLUBLE PRECIPITATE SOLVENT SOLUTE AQUEOUS

WRITE ME UP! WITH YOUR LAB PARTNER, WRITE A STEP-BY-STEP PROCEDURE FOR HOW YOU WILL DETERMINE IF VARIOUS COMBINATIONS OF THE SEVEN SOLUTIONS WILL BE SOLUBLE OR INSOLUBLE. THINGS TO KNOW: 1.WRITE YOUR DIRECTIONS IN COMPLETE SENTENCES WITH COMPLETE DESCRIPTIONS. 2.NUMBER YOUR DIRECTIONS. KEEP IN MIND WHAT SHOULD BE DONE FIRST, SECOND, ETC. 3.DON’T FORGET SAFETY AND PROPER CHEMICAL HYGIENE! A WASTE CONTAINER WILL BE PROVIDED FOR YOUR USE. YOUR WRITE-UP MUST BE APPROVED BEFORE YOU STEP INTO THE LAB!!!

DO IT! WEAR SAFETY GOGGLES AND SPLASH APRONS THROUGHOUT LAB INCLUDING DURING CLEAN-UP. REVISE YOUR PROCEDURE AS NEEDED TO STREAMLINE YOUR WORK OR TO IMPROVE YOUR RESULTS. RECORD YOUR DATA IN THE PROVIDED DATA TABLE. YOU WILL NEED THIS DATA TO GENERATE SOME RULES. BE SURE TO CLEAN UP YOUR LAB AREA AND DISPOSE OF THE USED CHEMICALS IN THE PROPER WASTE CONTAINER. DO NOT REMOVE SAFETY GEAR UNTIL THE LAB AREA IS CLEANED UP. WHEN YOU ARE FINISHED AND HAVE CLEANED UP YOUR LAB AREA, SIT DOWN WITH YOUR LAB PARTNER AT YOUR DESK AND LOOK FOR THE PATTERNS IN THE DATA. WRITE DOWN GENERALITIES ABOUT THE SOLUBILITY OF THE COMPOUNDS YOU FORMED.

USING RULES TO MAKE PREDICTIONS PRECIPITATION REACTIONS ARE A TYPE OF DOUBLE REPLACEMENT REACTION. PRODUCTS THAT ARE INSOLUBLE ARE PRECIPITATES. IN A CHEMICAL EQUATION THEY ARE NOTED WITH (S) PRODUCTS THAT ARE SOLUBLE ARE NOTED WITH (AQ) WHAT IF BOTH PRODUCTS ARE BOTH SOLUBLE??? NO REACTION OCCURS. THESE ARE NOTED WITH NR.

LET’S MAKE PREDICTIONS!