1. Compared to oxygen, nitrogen's __________ makes it more difficult for water molecules to the surround nitrogen molecules.
<span>2. The high solubility of sulfur dioxide can be explained by its ____________. </span>
<span>3. Nitric oxide is more soluble than nitrogen and oxygen because of its _______________. </span>
<span>4. Compared to nitrogen, the ___________ of ethylene makes it more soluble in water. </span>
<span>CHOICES are: </span>
<span>a. shorter bond length </span>
<span>b. ability to react with water </span>
<span>c. larger molecular size </span>
<span>d. polarity
answers: </span><span>a, b, d, c.</span><span>
</span>
Answer:
We know that, composition of HNO3 is Hydrogen, Nitrogen and oxygen. Total number of atoms = 3+1+1=5 atoms are present in 1 molecule of HNO3.
Molar mass of FE2O3=2(55.85)+3(16)=159.7
2.56g*1mol/159.7*2mol/1mol*55.85g/1mol=1.79g
