Ejercicio de Calcular masa molecular

 Ejercicio de Calcular masa molecular

                    

                              C                   H                 N

C5 H5 N =  5(12.02) + 5(1.007) + 1 (14.00)

                =  (60.1) + (5.035)+ (14.00)

                = 79.135 gr. /mol

                 

                  N               O

N2 O5  =  2(14.009) + 5(16.00)

              =  (28) + (80)

               = 108 gr. /mol

                                   

                                        N                 H               S              O

 (NH4)2 SO4 = 1(14.00) (2) + 4(1.007) (2) + (32.05) +4(16.00)

                        = (28)+ (8.056) +  (32.05) + (64)

                         = 132.556 gr. /mol

                       

                                        C                    H           O        Na

C2 H3 O2 Na = (12.00) + 3 (1.007) +2(16.00)+ (22.99)

                        = (24) + (3.021)+ (32) + (22.99)

                            =82.011 gr. /mol

                         C                     H               N

C10 H14 N2 =  10(12.00) + 14(1.007) +2(14.00)

                            = (120) + (14.098) + (28)

                            = 162.098 gr. /mol