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Calculate the formula unit masses of ZnO, Na2O, K2CO3, given atomic masses of Zn= 65 u, Na=23u, K=39u, C=12u, and O=16 u.

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The atomic mass unit of the chemical formula ZnO=65+16=81u Na2O=2*23+16=46+16 =62u K2CO3=39*2+12+16*3 =78+12+48 =138u
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The atomic mass unit of the chemical formula ZnO=65+16=81u Na2O=2*23+16=46+16 =62u K2CO3=39*2+12+16*3 =78+12+48 =138u
Comments

The atomic mass unit of the chemical formula ZnO=65+16=81u Na2O=2*23+16=46+16 =62u K2CO3=39*2+12+16*3 =78+12+48 =138u
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