Dan juga untuk mencegah terbentuknya garam FeSO4 pada suhu rendah. 3. Reaksi antara NH4OH + H2SO4 bagaimana reaksinya? Keadaan reaksinya?. EXPERIMENT 2 Synthesis of Mohr Salt 14 April A. Objective Study the Mohr salt from the reaction between the iron with sulfuric acid and.

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This purity levels is obtained from the calculation result weight of Mohr salt crystal from the experiment result: Laporan Pembuatan Garam Mohr Documents. In addition, heating is also as a catalyst to accelerate the reaction, so that all the iron can be dissolved completely.

According to the data, mor theoretical mass of Mohr salt crsytal should be produced is 24, grams.

Ammonium iron(II) sulfate

It is a common laboratory reagent because it is readily crystallized, and crystals resist oxidation by air. In the damp air quickly oxidized give iron III oxide hydrate rust are not able to protect, because this substance is destroyed and let the new metal surface open.

Bijaksana, The properties of very smooth iron is pyrophoric. Pure iron is quite reactive.

Sulfuric acid is generally added to the solution to reduce the oxidation of iron. Garam Mohr Full Documents. They are more stable than the salt, iron II. In general, a liquid form crystals when subjected to the compaction process. ,ohr example, most metals which we see everyday are polycrystalline.

Lecturer of Inorganic Chemistry Team, C. Evaporating ammonium sulfate solution until saturatedHeating ang let the iron powder dissolve by stirringH. Tim Dosen Kimia Anorganik. The process mphr formation of the crystalline structure known as crystallization.


Svehla, Salts of iron II sulfate can join sulfate salts of alkali salts, forming a double salt with a general formula that can be described as M2Fe SO4. Ferrous ammonium sulfate forms light green crystals.

So that this reaction produced light green solution. The purpose of used hot water is to haram the impuritiy materials mohd may be still present in Mohr salt crystals. Published on Dec View 36 Download 0. Laporan Praktikum Garam Mohr Documents. Magnetite, for example, can be used as a base material for dry ink mohrr on a photo-copy machines and laser printers, while maghemit is the main ingredient for tape-cassette.

After cooled, the mixture solution is filtered to separate gaarm solution with Mohr salt crystals. The purpose of the use of iron powder is to accelerate the reaction, because the reaction rate is proportional with the surface of a substance.

Diakses pada tanggal 15 April pukul Compounds Fe is one of the complex salt-forming compounds or double salt Mohr. After all part of iron powder are dissolved, then filter the solution and evaporate the filtrate in a porcelain cup, until forming a light green solution and there are crystal on its surface.

Ammonium iron(II) sulfate – Wikipedia

Crystal structure which is formed of a liquid, depends on the its fluid chemistry, when the solidification conditions and ambient pressure. Ferrous ammonium sulfate Ammonium iron sulfate Mohr’s salt.

Fe compounds in the form of Mohr salt or K4Fe CN 6 potential as a reducing agent in the reaction of iodate reduction in salt. Reaction occured in the experimen: The ammonium ions make solutions of Mohr’s salt slightly acidic, which slows this oxidation process. Laporan Sintesis Garam Rangkap Documents. By using this site, you agree to the Terms of Use and Privacy Policy.


Laporan Pembuatan garam Mohr HHH There is rarely a purely commercial iron, iron usually contain small amounts of carbides, silicides, phosphides, and sulfides of iron, and a little graphite.

Ammonium compounds Iron compounds Sulfates Double salts. DiscussionIn this practicum, conducted the experiments of Mohr salt synthesis. Ammonia solution is as a ligand that has an orbital containing the unpaired electron to its interaction with the metal, classic form coordination complexes with metals.

The purpose of this evaporating process the evaporate of ammoni solution which may not react with sulfuric acid solution. Then, evaporating until the solution formed crystal on the surfaceMixing solution A and solution B in hot conditionRefrigerating the solution until formed the crsytal of ammonium ferrous sulfate with light green colorWeighing the crystal and calculating the yieldPurifying the crystalby recrystallization process with a little hot waterE.

The iron used in this experiment is the iron powder. Whereas if left in the open air, the iron will form Fe2O3 ferric oxideand if one is not consumed by the alkaline iron, the iron can be dissolved in dilute sulfuric acid and hydrochloric acid to form H2, and concentrated monr acid does not take the iron.

Magnetic minerals in the upper third digunakansebagai also dyes and mixtures filler for the paint as well as the basic material for permanent industrimagnet.

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