numerical for calculating concentration

Asked by  | 2nd Aug, 2008, 11:17: PM

Expert Answer:

mass in grams = 36

molecular mass of NaCl= 23+35.5=58.5

no of moles = 36/58.5

                                              36/58.5

                       molality= -------------------------

                                                100

concentration is =6.15x 10-3  m       

Answered by  | 3rd Aug, 2008, 03:20: PM

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