Explanation:
Molecular mass of NO2= 14+16×2=46
1 mole NO2 = 46 gm of NO2
9.4 moles of NO2= 46×9.4 gm= 432.4 gm NO2.
The physical state in which a substance has no definite volume is gas.
It would be the top soil. The most dissimilar layer is the uppermost layer.
Bitter, sour, salty, sweet.
Because if they are submerged in the solvent, they would dissolve! This would prevent them from seperating and not allow you to actually record anything
