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Example research essay topic: Formula For Silver Oxide 1 75 Grams Crucible - 282 words

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Sliver Oxide Lab Purpose: To find the chemical formula for Silver Oxide and to improve students skills with lab equipment. Hazards: Heat/FlameMidly hazardous chemicals Materials: Small Crucible and means of suspending it above a flameBunson Burner Accurate scale in gramsTongsProcedure: Place the crucible on your scale and record its weight when empty. Next, place approximately 1. 75 grams of silver oxide into the crucible, you do not have to be exactly on 1. 75 grams, but being within a tenth of a gram and using an even number will make things easier on you. Light your button burner and suspend the crucible with its top half off so that the flame is directly under the crucible. Let this sit for approximately fifteen minutes then extinguish the flame and weigh the remaining substance.

Record this weight. If you have time, heat the substance again for another five minutes as you did before and record the weight of the remaining substance once again. You should of course have less matter in your crucible after burning than you had when you started, if not you have done something wrong. You can now find the amount of oxygen in your sample by subtracting the original amount of silver oxide from what you now have left in your crucible.

You now have the neccessary data to find the empirical formula for silver oxide Data: Silver Oxide to start with: 1. 80 grams Silver left after burning: 1. 65 grams Oxygen burned off: 0. 15 grams Conclusion: There were approximately 4 moles of silver on the compound, and approximately 2 moles of oxygen in the compound. This gives the empirical formula of Ag 2 O for silver oxide.

Free research essays on topics related to: approximately, oxide, silver, grams, crucible

Research essay sample on Formula For Silver Oxide 1 75 Grams Crucible

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