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CoCl2.6H2O has 6 water molecules attached as secondary valencies and 2 chlorine atoms are serving as the primary valencies. The secondary valencies are directional in nature and hence they lead to the geometry of it.
The geometry of this compound is Octahedral with cobalt showing a coordination no. of 6.
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How do you dehydrate CoCl2 6H20?
To dehydrate cobalt(II) chloride hexahydrate (CoCl2·6H2O), you can gently heat the compound in a dry oven or on a hot plate at a temperature around 100-120°C. This process drives off the water molecules, resulting in anhydrous CoCl2. It's important to monitor the temperature to avoid overheating, which can lead to decomposition. Always handle with care, as cobalt compounds can be hazardous.
How many Co atoms are there in 230 grams of CoCl2?
To answer this question you need the molecular weight of CoCl2. CoCl2 molecular weight is 129.84 g/mole 230g CoCl2 divided by the molecular weight 230 g / 129.84 g/mole = 1.77 moles of CoCl2 Multiply the moles by Avagodro's number 1.77 mole * 6.022 X 1023 molecules/mole = 1.07 X 1024 molecules of CoCl2
What weight of solid CoCl2 would be need to prepare 500ML of 0.150M CoCl2 solution?
To calculate the weight of solid CoCl2 needed, you can use the formula: weight = (molarity) x (volume) x (molar mass) Substitute the values: weight = 0.150 mol/L x 0.5 L x 129.84 g/mol = 9.74 g of CoCl2 is needed.
Why is CoCl2 in Hygrometers?
CoCl2, or cobalt chloride, is used in hygrometers as a humidity indicator because it changes color when exposed to different levels of humidity. In its anhydrous form, CoCl2 is blue, but it turns pink when it absorbs moisture from the air. This color change makes it easy to visually determine the humidity level.
What is the balanced molecular equaton for FeCl3 plus CoCl2?
The balanced molecular equation for FeCl3 + CoCl2 is: 2FeCl3 + 3CoCl2 → 2FeCl2 + 3CoCl3
When colbalt chloride unties with water to form hexahydrate its formula is written CoCL2 6H2O?
Yes, CoCl2 * 6H2O is the hexahydrate of the an hydrate CoCl2.
How many grams of CoCl2 6H2O are needed to prepare 50.0ml of a 0.30M CoCl2 solution?
To determine the mass of CoCl2 6H2O to prepare a 0.30M solution in 50.0ml, we first calculate the molar mass of CoCl2 6H2O. The molar mass is 237.93 g/mol, so for a 0.30M solution in 50.0ml, we can use the formula: mass = molarity x volume (L) x molar mass. Therefore, the mass of CoCl2 6H2O needed is 3.57 grams.
How many grams of CoCl2 6H2O must you measure out in a container to have exactly Avogadros number of particles?
To have Avogadro's number of particles of CoCl2 6H2O, you would need to measure out 1 mole of the compound. This is equivalent to the molar mass of CoCl2 6H2O in grams, which is approximately 237.93 grams.
What color is CoCl2-6H2O-ethanol?
The color of CoCl2-6H2O in ethanol solution is typically pink or rose-red. This color arises from the presence of the hydrated cobalt(II) ions in the complex.
Would CoCl2 6H2O cause a chemical reaction?
When CoCl2·6H2O is heated, the water molecules are driven off, leaving anhydrous CoCl2. This is a physical change, not a chemical reaction. However, the anhydrous CoCl2 can undergo chemical reactions depending on the conditions and other reactants present.
What are the colors of CoCl2 and CoCl26H20?
Blue, and Pink. Its a chemistry experiment.When hydrated the cobalt cloride is pink. When it dries it's blue.
Whatcolor is change by heat CoCl2-6H2O?
The color of hydrated cobalt chloride (CoCl2•6H2O) changes from blue to pink when heated due to the dehydration of the compound. Upon heating, the water molecules are removed, leaving behind anhydrous cobalt chloride which is pink in color.
What is the percentage of water in the hydrate CoCl2 and 6H2O Show your work?
1. Find the molar mass of the hydrate.Find the molar mass of the water molecules (18.01528 x # water molecules) and of the anhydrate; add the values together to find the molar mass of the hydrate.Molar Mass Water + Molar Mass Anhydrate = Molar Mass Hydrate2. Find the percent of water in hydrate.Divide the molar mass of water by the molar mass of hydrate; multiply by 100%.- Mass waterMass hydrate x 100%
Is the coordination geometry of a tetrahedral complex always associated with high spin?
No, the coordination geometry of a tetrahedral complex is not always associated with high spin.
When a sample of 20.0 g of CoCl2 - 6H2O is dried in an oven until dry CoCl2 is obtained what is the mass of dry cobalt chloride?
Equation:CoCl2.6H2O + heat --> CoCl2 + 6H2OYou have the mass of CoCl2.6H2O, which is 20g.You know the Mr of CoCl2.6H2O as well:58.93 + 35.5(2) + 6(18)= 237.93gmol-1 (The 18= H2O)You know the formula to calculate the no. of moles:n=mass/Mr, therefore n= 20/237.933 = 0.0841 molesThe ratio of CoCl2.6H2O: CoCl2 is 1:1, therefore CoCl2 has the same number of moles as does CoCl2.6H2O.So you want the mass of CoCl2? Well you havethe the Mr of it and now you have the no. of moles.Mr of CoCl2:58.93 + 35.5(2)= 129.93 (Or you could simply do 237.93 - 6(18) )Since n=mass/Mr you simply rearrange to get mass by itself. Which is:mass= n x MrTherefore the mass ofCoCl2ismass = 0.0841 x 129.93 = 10.92g (Answer)Daniel Hajsadr
What is the hybridization of the central atom of COCl2?
The central atom in COCl2 is carbon. The carbon atom is sp2 hybridized in COCl2, meaning it has three electron pairs in sp2 hybrid orbitals and forms sigma bonds with three surrounding atoms in a trigonal planar geometry.
In geometry is the x on the bottom or the side?
In geometry, the x-coordination is a line that runs vertically from the origin.
