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What is the mass of 2.3 x 1021 formula units of cobalt(II) bromate?
1 answer:
Molecular mass of Cobalt(II) Bromide = 218.7412 g/mol .
<u>Explanation:</u>
<u>Percent composition by element: </u>
The procedure to find the Molecular mass of Cobalt(II) Bromide:
The symbol of the Cobalt is Co.
The symbol of the Bromate is Br.
The Element cobalt have the Atomic Mass of 58.933200 with 1 number of atom.
The Element Bromine have the Atomic Mass of 79.904 with 2 number of atoms.
<u>Molecular weight calculation: </u>
To find the molecular mass we have to sum both of the Atomic masses:
For Cobalt(II) Bromide: We have to multiple the Atomic mass of bromate with 2 and then sum the atomic masses
Molecular mass of Cobalt(II) Bromide = 218.7412 g/mol
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