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Complete the table below for calculating the formula mass of the ionic compound chromium(II) bromide . Atomic Mass Number of

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Answer #1

Cr2+ contains two unit of positive charge while Br contains one unit of negative charge. So, in order to charge balance two Br reacts with one Cr2+ to form chromium(ll)bromide CrBr2.

The formula mass of CrBr2 is 211.79 amu.

Atomic mass of choominum (Cp) = 51.99 amu. Number of ions of Cop2t in Cp Brza 1. .: Total mass of cp2tion = 51.99 amu. Atomic

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