Hi, I'm currently doing a chemistry experiment for my Assignment. We have to find an experiment that includes extracting a certain substance and I chose to extract Magnesium. I've found an experiment already but it leaves me with Magnesium Chloride instead of pure Magnesium. Please Help, I'm desperate! I don't mind if you give me a new experiment or just give me ways on how to extract the chloride from the magnesium, I just need this A.S.A.P.! Please help!
This is my current experiment:
Magnesium (Mg) exists in sea water as ions of magnesium. It's typically extracted from sea water on an industrial scale in a procedure known as the Dow Process. Magnesium chloride is used in the manufacture of fire-resistant materials, paper and textiles. It's also a common dicing agent and a precursor in the production of magnesium metal
Step 1: Add slaked lime [Ca(OH2)] to sea water. The magnesium ions (Mg) in the sea water will combine with the slaked lime to form magnesium hydroxide [Mg(OH)2] and calcium. Magnesium hydroxide is a solid that will fall to the bottom of the solution as a precipitate and the calcium will remain in the solution as ions. The following equation shows this reaction: Mg + Ca(OH)2 ' Mg(OH)2 + Ca.
Step 2: Separate the magnesium hydroxide from the sea water and add two moles of hydrochloric acid (HCl) for every mole of magnesium hydroxide. This reaction will form a solution of magnesium chloride in water. The following equation shows this reaction: Mg(OH)2 + 2 HCl ' MgCl2 + 2 H2O.
Step 3: Add four moles of water to the magnesium chloride solution for every mole of magnesium chloride. The following equation shows this reaction: MgCl2 + 2 H2O + 4 H20 ' MgCl2 + 6H20.
Step 4: Allow this solution to crystallize as magnesium chloride hexahydrate (MgCl2.6H20).
Step 5: Store magnesium chloride as magnesium chloride hexahydrate. Pure magnesium chloride is difficult to store because it absorbs water extremely readily. Magnesium chloride hexahydrate may be dehydrated to magnesium chloride when needed by exposing it to hydrogen chloride gas
How to make seawater
Home uses of seawater include such things as aquariums, holistic treatments and agriculture. Seawater is inexpensive and simple to produce. According to the Seafriends Marine Conservation and Education Center, seawater is a combination of salts mixed with water and gases. While the composition of seawater varies by geographic location, mixing sea salt with tap water most accurately duplicates it at home. Sea salt contains minerals directly from the sea and tap water contains abundant natural minerals like calcium.
Step 1: Determine the quantity of seawater you wish to produce.
Step 2: Pour the tap water into a mixing container that is large enough to accommodate the quantity of seawater you are making. Allow the water to settle for approximately 10 minutes and come to room temperature.
Step 3: Add the sea salt to the water, stirring slowly until completely dissolved. According to Sir Francis Drake High School, you will need approximately 35 grams of sea salt per liter of water or approximately 4 oz. of sea salt per gallon of water
This is my current experiment:
Magnesium (Mg) exists in sea water as ions of magnesium. It's typically extracted from sea water on an industrial scale in a procedure known as the Dow Process. Magnesium chloride is used in the manufacture of fire-resistant materials, paper and textiles. It's also a common dicing agent and a precursor in the production of magnesium metal
Step 1: Add slaked lime [Ca(OH2)] to sea water. The magnesium ions (Mg) in the sea water will combine with the slaked lime to form magnesium hydroxide [Mg(OH)2] and calcium. Magnesium hydroxide is a solid that will fall to the bottom of the solution as a precipitate and the calcium will remain in the solution as ions. The following equation shows this reaction: Mg + Ca(OH)2 ' Mg(OH)2 + Ca.
Step 2: Separate the magnesium hydroxide from the sea water and add two moles of hydrochloric acid (HCl) for every mole of magnesium hydroxide. This reaction will form a solution of magnesium chloride in water. The following equation shows this reaction: Mg(OH)2 + 2 HCl ' MgCl2 + 2 H2O.
Step 3: Add four moles of water to the magnesium chloride solution for every mole of magnesium chloride. The following equation shows this reaction: MgCl2 + 2 H2O + 4 H20 ' MgCl2 + 6H20.
Step 4: Allow this solution to crystallize as magnesium chloride hexahydrate (MgCl2.6H20).
Step 5: Store magnesium chloride as magnesium chloride hexahydrate. Pure magnesium chloride is difficult to store because it absorbs water extremely readily. Magnesium chloride hexahydrate may be dehydrated to magnesium chloride when needed by exposing it to hydrogen chloride gas
How to make seawater
Home uses of seawater include such things as aquariums, holistic treatments and agriculture. Seawater is inexpensive and simple to produce. According to the Seafriends Marine Conservation and Education Center, seawater is a combination of salts mixed with water and gases. While the composition of seawater varies by geographic location, mixing sea salt with tap water most accurately duplicates it at home. Sea salt contains minerals directly from the sea and tap water contains abundant natural minerals like calcium.
Step 1: Determine the quantity of seawater you wish to produce.
Step 2: Pour the tap water into a mixing container that is large enough to accommodate the quantity of seawater you are making. Allow the water to settle for approximately 10 minutes and come to room temperature.
Step 3: Add the sea salt to the water, stirring slowly until completely dissolved. According to Sir Francis Drake High School, you will need approximately 35 grams of sea salt per liter of water or approximately 4 oz. of sea salt per gallon of water