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Preparing EDTA solution

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Subject: 
Chemistry
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SCIENCEPALOOZA PROCEDURE: PREPARING EDTA SOLUTION MEASURE 4g OF EDTA ON THE BALANCE (USE SENSITIVE BALANCE): MASS OF CONTAINER+EDTA=_______g (A) MASS OF CONTAINER:_______g (B) (A)-(B)= 4g USE BUNSEN BURNER TO HEAT AND DESSICATE (AT 80 DEGREES CELSIUS). NOTE: CORRECT THE SALT?S WEIGHT FOR 0.3% MOISTURE IN THE FINAL MOLARITY CALCULATION. WEIGH 3.8 GRAMS OF __________ AND TRANSFER IT INTO A VOLUMETRIC FLASK USING A POWDER FUNNEL. RINSE THE FUNNEL USING A SMALL AMOUNT OF DISTILLED WATER BEFORE REMOVING THE SALT. THEN ADD ENOUGH EXTRA PURIFIED WATER TO MAKE 700 ML. USE A DRY, UNCONTAMINATED CONTAINER WITH A NON-GLASS STOPPER. SWIRL THE SOLUTION UNTIL THE POWDER HAS DISSOLVED (LEAVE FOR 15 MINUTES). ADD MORE PURIFIED WATER UNTIL THE 1 L MARK AND MIX WELL.

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