calculate concentration of HNO3 in moles/L in sample with density 1.41 g/ml. mass% of HNO3 is 69%

Asked by  | 14th Jul, 2008, 11:47: AM

Expert Answer:

            no. of moles of solute
Molarity = =====================
                      Volume in litre
 
 
                         
                               
 
 
 
           percentage by mass x10 x d
M   = ---------------------------------------
                    Molar mass
 
 
           69 x 10 x 1.41
M=-----------------------------------
                     73
 
 
 =13.32 moles per litre

Answered by  | 15th Jul, 2008, 11:47: AM

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