Questions
Molality of 10 grams of aqueous solution containing 2 grams of caustic soda is
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a
5 m
b
7.2 m
c
6.25 m
d
4.2 m
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Correct option is C
Wsolute=2 g; GMW of solute=40 g; Wsolution=10 g; Wsolvent=10-2g; m=240×10008=6.25m
Similar Questions
Match the items of Column I with Column II.
| Column I (Concentrations term) | Column II (Factor on concentration term depends) | ||
| A. | Molarity | p. | Dependent upon temperature |
| B. | Molality | q. | Not depend upon volume |
| C. | Mass per cent | r. | Depend upon volume of solution |
| D. | Volume per cent | s. | Depend upon moles of solute |
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