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Answer:

The mass of Cr(C2H302) is 229.122 grams

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Formula mass of Cr(C2H3O2) is 229.1282 g/mol

Elemental composition of Cr(C2H3O2)
Element Symbol Atomic weight # Mass percent
Chromium Cr 51.9961 1 22.6930
Carbon C 12.0107 6 31.4515
Hydrogen H 1.00794 9 3.9591
Oxygen O 15.9994 6 41.8964