Answer:
6.8 moles of NO2=....... g of NO2
= 312.8 g
Step-by-step explanation:
Molar mass : Mass of substance in grams present in one mole of the molecule.
Molar mass of NO2 :
Mass of N + 2(Mass of O)
= 14 + 2(16)
= 14 + 32
= 46 g
Given :
Moles = 6.8 mole
Molar Mass = 46 g
![moles=(given\ mass)/(molar\ mass)](https://img.qammunity.org/2021/formulas/chemistry/middle-school/tbnza353em4eqsd24caen5yuavj5ugg942.png)
This can also be written as:
![given\ mass=moles* Molar\ mass](https://img.qammunity.org/2021/formulas/chemistry/middle-school/r9lwc153hhxecd38wowv181ulcmdpjqc8x.png)
![given\ mass=6.8* 46](https://img.qammunity.org/2021/formulas/chemistry/middle-school/5csun3kd5y8qlkdm7fceknncdi7d1m5b6w.png)
![given\ mass=312.8](https://img.qammunity.org/2021/formulas/chemistry/middle-school/u2amfkbzcoiuvrq8qyk1hgw1h5uxbkadar.png)
Mass of NO2 In 6.8 moles = 312.8 grams