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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.
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
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
Is CoCl2.6H20 a liquid or solid?
CoCl2 6H20 is liquid.
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 do you prepare 100cm3 of 0.1M CoCl2 from a 0.5M solution of CoCl2?
To prepare 100cm3 of 0.1M CoCl2 solution, you would need to dilute the 0.5M solution by a factor of 5. This can be achieved by taking 20cm3 of the 0.5M CoCl2 solution and adding it to a volumetric flask, then filling the flask up to the 100cm3 mark with distilled water. Mix thoroughly to ensure homogeneity. The resulting solution will be 0.1M 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.
Could you tell me the Gram equivalent weight of CoCl2?
The gram equivalent weight of CoCl2 is calculated by dividing the molar mass of CoCl2 by its valency. The formula weight of CoCl2 is 129.84 g/mol. Since the valency of CoCl2 is 2, the gram equivalent weight would be 129.84/2 = 64.92 g/equiv.
What is the name of the ionic compound CoCl2?
The ionic compound CoCl2 is called cobalt(II) chloride.
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.
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.
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 type of bond is CoCl2?
CoCl2 forms ionic bonds due to the large electronegativity difference between cobalt and chlorine. In CoCl2, cobalt loses two electrons to chlorine atoms, resulting in the formation of Co2+ cations and Cl- anions, which are held together by electrostatic forces.
What is the formula for CobaltII chloride?
CoCl2
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.
Does CoCl2 form one type of ion or more than one type of ion?
CoCl2 forms two types of ion: Co2+ and Cl-
