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How many atoms of cobalt are present in a 56.7 mg sample of rock that contains 56.7 percent of cobaltic oxide?
Assuming that cobaltic oxide is the only cobalt-containing constituent of the rock, the mass of cobaltic oxide in the rock is 56.7(0.567) or 32.149 mg. The formula of cobaltic oxide is Co2O3 and its gram formula mass is 165.86. The formula shows that each formula unit contains 2 atoms of cobalt. The amount of 32.149 mg corresponds to (32.149 X 10-3)/165.86 or 1.938 X 10-4 formul units of cobaltic oxide. The number of atoms in this mass is therefore Avogadro's Number X 2 X 1.9438 X 10-4 or 2.34 X 1020 atoms of cobalt, to the justified number of significant digits.
Is cobalt chloride the same with cobalt dichloride?
Yes, cobalt chloride and cobalt dichloride refer to the same compound. Cobalt chloride is also known as cobalt(II) chloride or cobalt dichloride, as it consists of one cobalt ion and two chloride ions.
What is the chemical name of cobalt oxide using the stock system?
Cobalt oxides are: cobalt(I) oxide, cobalt(II) oxide and cobalt(II,III) oxide.
What are two compounds that contain cobalt?
Two compounds that contain cobalt are cobalt chloride (CoCl2) and cobalt sulfate (CoSO4). Both of these compounds are commonly used in various industrial and chemical applications due to the unique properties of cobalt.
This transition metal is especially known for the deep blue color?
Cobalt !
Is cobalt mineral igneous rock sedimentary rock or metamorphic rocks?
Cobalt is a mineral, not a rock.
What is the rock cobalt's cleavage?
Cobalt has perfect cleavage in all directions.
How much cobalt will remain in the rock after 21.2 years?
This seems to refer to radioactive decay. The answer would depend on the isotope of cobalt used! For example, cobalt-59 is stable, so in this case, all of the original cobalt would remain.For more information, check the Wikipedia article entitled "Isotopes of cobalt".
How many atoms of cobalt are present in a 56.7 mg sample of rock that contains 56.7 percent of cobaltic oxide?
Assuming that cobaltic oxide is the only cobalt-containing constituent of the rock, the mass of cobaltic oxide in the rock is 56.7(0.567) or 32.149 mg. The formula of cobaltic oxide is Co2O3 and its gram formula mass is 165.86. The formula shows that each formula unit contains 2 atoms of cobalt. The amount of 32.149 mg corresponds to (32.149 X 10-3)/165.86 or 1.938 X 10-4 formul units of cobaltic oxide. The number of atoms in this mass is therefore Avogadro's Number X 2 X 1.9438 X 10-4 or 2.34 X 1020 atoms of cobalt, to the justified number of significant digits.
What is a compound for cobalt?
Yes, cobalt form many chemical compounds as cobalt nitrate, cobalt chloride, cobalt sulfate, cobalt sulfide, etc.
What compounds are in cobalt?
There are no compounds in Cobalt. It is completely impossible, because Cobalt is an element, and compounds are made up of elements. If this is what you meant to ask, then there a a lot of compounds with Cobalt in them. One example is Cobalt (III) Fluoride, chemical formula CoF3. Any compound with a "Co" (the "C" must be capitalized and the "o" must lowercase) in it contains Cobalt.
Can cobalt form a compound?
Yes, cobalt form many chemical compounds as cobalt nitrate, cobalt chloride, cobalt sulfate, cobalt sulfide, etc.
Is cobalt chloride the same with cobalt dichloride?
Yes, cobalt chloride and cobalt dichloride refer to the same compound. Cobalt chloride is also known as cobalt(II) chloride or cobalt dichloride, as it consists of one cobalt ion and two chloride ions.
What does cobalt mean in German?
cobalt = Cobalt/Kobalt
What is the chemical name of cobalt oxide using the stock system?
Cobalt oxides are: cobalt(I) oxide, cobalt(II) oxide and cobalt(II,III) oxide.
What are two compounds that contain cobalt?
Two compounds that contain cobalt are cobalt chloride (CoCl2) and cobalt sulfate (CoSO4). Both of these compounds are commonly used in various industrial and chemical applications due to the unique properties of cobalt.
This transition metal is especially known for the deep blue color?
Cobalt !
