CBSE Class 12-science Answered
1.100 ques plz
Asked by lovemaan5500 | 30 Jan, 2019, 11:59: AM
Expert Answer
Given:
Molarity = 3 M
Density of solution : 1.25 g/ml
Mass of 3 M solution = Volume × Density
= 1000 × 1.25
Mass of 3 M solution = 1250 g
Molecular weight of Na2S2O3 = `158 g/mol
Mole fraction of sodium thiosulphate is 0.065.
Molality of Na+ is 7.73 m.
Molality of SO42- is 3.865 m.
Answered by Varsha | 30 Jan, 2019, 07:08: PM
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