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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Purity levels of Mohr salt: Ammonium ions make Mohr salt solution slightly acidic, which slows down the oxidation process. In addition, heating is also as a catalyst to accelerate the reaction, so that all the iron gaaram be dissolved completely.

As stated by its name, magnetite is attracted by a magnet. In general, a liquid form crystals when subjected to the compaction process. Tri Wulandari, Such as copper and zinc, iron in nature are as sulfide Fe2S. Dilute or concentrated hydrochloric acid and dilute sulfuric acid dissolves the iron, in which the resulting salts of iron II and hydrogen gas. In this experiment, all of the solution that used is concentratd solution, so that this experiment is done in a fume hood because of the concentrated solution will cause a pungent odor and dangerous for practitioner.

Sintesis Garam Mohr

Diakses pada tanggal 15 April pukul Mohr salt is made by reacting the iron with sulfuric acid garamm and ammonia solution. So that this reaction produced light green solution.

Garam Mohr Risma 1B. The green color is caused by the presence of Fe II. Magnetic minerals in the upper third digunakansebagai also dyes and mixtures filler for the paint as well as the basic material for permanent industrimagnet. It is a common laboratory reagent because it is readily crystallized, and crystals resist oxidation mogr air. In the damp air quickly oxidized give iron III oxide hydrate rust are not able to mohrr, because this substance is destroyed and let the new metal surface open.


In analytical chemistrythis salt is the preferred source of ferrous ions as the solid has a long shelf life, being resistant to oxidation. TheoryMohr salt is a double salt which has the chemical formula FeSO4. Retrieved 13 June Views Read Edit View history. Solution A Solution BE. Bluish green toscacrsytal8. For example, most metals which we see everyday are polycrystalline.

This is done to prevent crystallization solution at a low temperature and to accelerate the reaction. Garwm calculation of the theoretical weigh of Mohr salt: This is a standard and one of mohrr lab procedures.

Sintesis Garam Mohr

Crystal structure which is formed of a liquid, depends on the its fluid chemistry, when the solidification conditions and ambient pressure. This experiment aims to study the Mohr salt from the reaction between the iron with sulfuric acid, and ammonia. Laporan Praktikum Garam Mohr Documents. The purpose of this evaporating process the evaporate of ammoni solution which may not react with sulfuric acid solution.

Tim Dosen Kimia Anorganik. The less acidic the solution, the more obvious this effect, in a neutral or even alkaline oxygen from the atmosphere will oxidize iron II.

The process of formation of the crystalline structure known as crystallization. The iron used in this experiment is the iron powder. Other names Ferrous ammonium sulfate Ammonium iron sulfate Mohr’s salt. The physical form of salt Mohr is greenish crystals. 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. Ions and complexes combined colored old tongs are also common.


Ammonium iron(II) sulfate – Wikipedia

Observation Data and Analysis Data1. Evaporating ammonium sulfate solution until saturatedHeating ang let the iron powder dissolve by stirringH.

This page was last edited on 16 Decemberat Color and structure of H2SO4: Color and structure crystal of Mohr salt: Published on Dec View 36 Download 0. So that this produced pure Mohr salt crystals that has bluish green color. Mohr’s salt is prepared by dissolving an equimolar mixture of hydrated ferrous sulfate and ammonium sulfate in water containing a little sulfuric acidand then subjecting the resulting solution to crystallization.

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. Laporan Pembuatan garam Mohr Sulfuric acid solution is a solvent containing ionizable protons and strong acid or weak acid.

Contaminants have played an important role in the strength of the iron structure. After cooled, the mixture solution is filtered to separate the solution with Mohr salt crystals. In this experiment obtained 5, mohe of Mohr salt crystal.

Mohr salt can be prepared from the reaction of iron with sulfuric acid and ammonia solution.

Laporan Sintesis Garam 1 Documents.