How to prepare 0.02N agno3
Answers
Answer:
Explanation:
What you need
1 – A Volumetric Flask. ( from a chem store, catalog, or eBay )
2 – An Accurate Scale. ( there are very good ones on eBay )
3 – De-Ionized -or- Distilled Water. ( don’t use tap water! )
4 – High Purity Silver Nitrate. ( you can buy it on this website )
Instructions
1 – Find the concentration of the solution you want to make, from the table, above.
2 – Carefully weigh the exact amount of High Purity Silver Nitrate you need.
3 – Add the Silver Nitrate powder to the empty Volumetric flask.
4 – Add about half of the water, swirl the flask to dissolve all of the Silver Nitrate.
5 – Carefully add the rest of the water, until the water Meniscus reaches the mark on the flask.
6 – That’s it. You can pour your solution into another bottle at this point.
Important: Use High Purity Silver Nitrate only. ( we sell High Purity Silver Nitrate )
Important: Use De-Ionized -or- Distilled Water only. ( never use tap water )
Important: Store your solution capped. Don’t let it evaporate – that will concentrate it!
HINT: Store your standard solutions in Glass Containers. (not soft plastic)
HINT: Silver Nitrate solutions can be stored in type PETE 1 (polyethylene terephthalate ester) Plastic.
HINT: The solutions are not light sensitive. You don’t need dark bottles.
HINT: After pouring your solution from the Volumetric flask, add a pinch of salt to the flask, then rinse and drain at least 3 times.
HINT: Rinse your Volumetric Flask with Distilled Water, then let it dry, before storing it.
HINT: If you don’t use High Purity Silver Nitrate, your solution won’t be colorless, like it should be.
HINT: With Silver Nitrate Standard Solutions, Normal and Molar have the same meaning. (because it’s Valence is +1)
HINT: 100 gram Capacity Digital Scales, accurate to 0.01 grams, can be found on eBay for under $20!
Explanation:
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