CBSE Class 9 Answered
numerical for calculating concentration
Asked by | 02 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 | 03 Aug, 2008, 03:20: PM
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