Unknown2Analysis - Unknown #2 Scheme Possible Ions Present...

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Unknown #2 Scheme Possible Ions Present i. Cations: Na + , K + , NH 4 + ii. Anions: Cl - , NO 3 - , SO 4 - , HSO 4 - , OH - Preparation JUST RELAX AND FOLLOW THE STEPS -Prepare the “neutral water”adding a counted number of drops of deionized water to a clean test- tube. Treat with 1-2 drops of HBtB. Should be yellow. Add tap water, and count the number of basic tap water needed to produce a green color, indicating a pH of 7.0. The ratio of deionized water/tap water will give you “neutral water.” -Clean glassware and crucible, etc. -Get some indicators, reagents (using your plastic bottles) and litmus papers that you need use during the unknown analysis. -Get an unknown card from the stockroom and fill in the necessary information. -Bring the card to the stockroom and get two unknown samples 1. Description of sample : Phase, color, odor, crystal shape if crystalline, whether or not it is readily soluble in water, etc. 2.
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Unknown2Analysis - Unknown #2 Scheme Possible Ions Present...

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