Question #184086

What is the mass in milligrams of 7.22 × 1020 molecules of CO2


1
Expert's answer
2021-04-22T03:03:26-0400

Number of moles =7.22×10206.022×10−23=0.0012mol\frac {7.22×10 ^{20}}{6.022 ×10 ^{-23}} =0.0012mol


M=0.0012×28=0.0336gM=0.0012×28=0.0336g


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