Answer:
3.18 mol
Explanation:

n(CO2) = mass/ Mr.
              = 25.5 / 16
              = 1.59 mol
 As per the equation above, 
n(LiOH) : n(CO2)
      2      :    1
 ∴  3.18   :  1.59
      
 
        
             
        
        
        
Answer:
NaNO2 is the formula for sodium nitrite 
Explanation:
Check the selected ions chart to find out more in depth.
 
        
                    
             
        
        
        
Answer:
V=0.3×22.4=6.72 liters hope this helps 
 
 
        
             
        
        
        
Can hold max of 8 electrons