How many grams of NaOH are produced from 1.20 x 10^2 of Na2O
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Write an balance the equation 
Na2O + H2O -> 2 NaOH
Calculate the molecular mass of Na2O and NaOH from the atomic mass from the periodic table. 
Na = 23 
O=16
H=1
Na2O = 23 * 2 + 16 = 62
NaOH = 23+16+1= 40
For the stoichiometry of the reaction one mole of Na2O = 62g produce two mol of NaOH = 2* 40= 80 g 
120 g Na2O x 80g NaOH / 62g Na2O=
154.8 g NaOH
                                
             
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