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How can you separate pure copper sulphate from an impure sample?
You can separate pure copper sulfate from an impure sample by dissolving the sample in water to create a solution. Pure copper sulfate will remain dissolved, while impurities will either remain undissolved or form a precipitate. You can then filter the solution to separate the impurities from the pure copper sulfate solution, which can be recovered by evaporating the water.
Which methods is used to obtain pure copper sulphate from impure sample and how?
One method to obtain pure copper sulfate from an impure sample is by recrystallization. In this process, the impure sample is dissolved in water, and then the solution is heated and slowly cooled to allow pure copper sulfate crystals to form. These crystals are then filtered out and dried to obtain the pure compound.
When measuring dissolved oxygen in an aerator why is copper sulfate added to the sample?
Copper sulfate is added to a sample to remove any interfering substances, such as hydrogen sulfide, which may affect the accuracy of the dissolved oxygen measurement. It helps to neutralize these unwanted compounds, allowing for a more reliable reading of the dissolved oxygen levels in the sample.
How many sulfate ions are in a 375.0 gram sample of Iron 3 Sulfate?
In iron (III) sulfate, the ratio of iron to sulfate ions is 1:2. This means that for every one mole of iron (III) sulfate, there are three moles of sulfate ions. To find the number of sulfate ions in a 375.0 gram sample of iron (III) sulfate, you would first calculate the number of moles of iron (III) sulfate, and then multiply that by three to find the number of sulfate ions.
How could a sample of gas be collected at the anode during-electrolysis of copper sulfate?
A sample of gas collected at the anode during the electrolysis of copper sulfate would likely be oxygen gas (O2) due to the oxidation of water at the anode. This would be because during this process, water is split into oxygen gas and protons, with the oxygen gas being produced at the anode.
How many molecules are there in copper sulphate?
The chemical formula for copper sulfate is CuSO4. To determine the number of molecules in a sample of copper sulfate, you would need information about the mass or volume of the sample and perform calculations using Avogadro's number and the molecular weight of copper sulfate.
How can you separate pure copper sulphate from an impure sample?
You can separate pure copper sulfate from an impure sample by dissolving the sample in water to create a solution. Pure copper sulfate will remain dissolved, while impurities will either remain undissolved or form a precipitate. You can then filter the solution to separate the impurities from the pure copper sulfate solution, which can be recovered by evaporating the water.
Which methods is used to obtain pure copper sulphate from impure sample and how?
One method to obtain pure copper sulfate from an impure sample is by recrystallization. In this process, the impure sample is dissolved in water, and then the solution is heated and slowly cooled to allow pure copper sulfate crystals to form. These crystals are then filtered out and dried to obtain the pure compound.
How can you get copper sulphate from an impure sample?
1. Dissolve the copper carbonate/sulfate salts in water and filter it: the Copper Carbonate is insoluble so it will remain as the residue on the filter paper, and the copper sulfate is soluble so it will pass through the paper as the filtrate. 2. Heat the filtrate in an evaporating basin till the point of crystallization (crystals will form on a rod dipped into the mixture, at the point of crystallization). 3. Leave the filtrate to cool and crystals of pure Copper sulfate will form. Collect the crystals with a spatula and leave them on a sheet of filter paper to dry.
When measuring dissolved oxygen in an aerator why is copper sulfate added to the sample?
Copper sulfate is added to a sample to remove any interfering substances, such as hydrogen sulfide, which may affect the accuracy of the dissolved oxygen measurement. It helps to neutralize these unwanted compounds, allowing for a more reliable reading of the dissolved oxygen levels in the sample.
Test for presence of water in anhydrous copper sulphate?
To test for the presence of water in anhydrous copper sulfate, heat a small sample of the compound in a test tube. If the compound changes color from white to blue, it indicates that water is present in the compound. This color change happens as the anhydrous copper sulfate absorbs water vapor from the air, converting back into hydrated copper sulfate.
How many sulfate ions are in a 375.0 gram sample of Iron 3 Sulfate?
In iron (III) sulfate, the ratio of iron to sulfate ions is 1:2. This means that for every one mole of iron (III) sulfate, there are three moles of sulfate ions. To find the number of sulfate ions in a 375.0 gram sample of iron (III) sulfate, you would first calculate the number of moles of iron (III) sulfate, and then multiply that by three to find the number of sulfate ions.
How could a sample of gas be collected at the anode during-electrolysis of copper sulfate?
A sample of gas collected at the anode during the electrolysis of copper sulfate would likely be oxygen gas (O2) due to the oxidation of water at the anode. This would be because during this process, water is split into oxygen gas and protons, with the oxygen gas being produced at the anode.
How does Copper Sulfate react to carbon steel?
Copper sulfate can react with carbon steel to cause corrosion, as it is a corrosive agent. This reaction can lead to the formation of copper deposits on the steel surface, which can accelerate rusting and degradation of the steel. It is important to avoid exposing carbon steel to copper sulfate solutions to prevent this reaction.
How many moles of ammonium sulfate are in 150g sample?
To find the number of moles of ammonium sulfate in a 150g sample, you first need to calculate the molar mass of ammonium sulfate (NH4)2SO4, which is approximately 132.14 g/mol. Then, divide the given mass (150g) by the molar mass to get the number of moles, which would be approximately 1.14 moles.
What is the function of copper sulphate solution in biuret test?
Copper sulfate solution is used in the biuret test to provide the copper ions needed for the reaction. When the protein in the sample reacts with the copper ions in an alkaline solution, a purple color change indicates the presence of peptide bonds in proteins.
Sample of a substance containing copper?
copper oxide...
