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| 1. |
Aspirin is a compound with the molecular formula C9H8O4. What id it\'s percent composition? |
| Answer» Percent composition of C(carbon)=total mass of carbon in -C9H804 *100/ molar mass of C9H8O4 =12*9*100/12*9+1*8+16*4= 60%Percent composition of H (hydrogen)=total mass of hydrogen in C9H8O4*100/molar mass of C9H8O4=8*100/180=4.5%Percent composition of O(oxygen)=mass of O in C9H8O4*100/ molar mass of C9H8O4 =16*4*100/180 =35.5% | |