# science/chem

calculate the percentage composition in NO2

Figure the mol mass of NO2 (atomic mass N + 2*atomic masss O)

percent N= atomicmassN/molmassNO2 * 100

percent O= 2*atomicmassO/molmassNO2 *100

1. 👍 0
2. 👎 0
3. 👁 67

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