Number of moles = volume / (molar volume)
Molar volume at stp = 22.4 dm^3
Volume = no of moles × molar volume
 = 0.987 × 22.4
 = 22.1088 dm^3
 = 22108.8 cm^3
Hope it helped!
        
                    
             
        
        
        
Answer:
D)The sound quality for these waves cannot be compared.
Explanation:
I've done it on e2020