A crystalline hydrated salt on being rendered anhydrous loses 45.6% of its weight. The…
Chemistry · JEE Advanced · NTA Exams — Some Basic Concepts in Chemistry
A crystalline hydrated salt on being rendered anhydrous loses 45.6% of its weight.
The percentage composition of anhydrous salt is : Al = 10.5%, K = 15.1 %, S = 24.8% and oxygen = 49.6% Answer the following four questions based on these information. [Molar masses are : Al = 27, K = 39, S = 32]
If 50 g of the above hydrated salt is dissolved in 150 gram of water, molality of the resulting solution will be
- 0.7
- 0.6
- 0.5
- 0.4
Answer
(B) 0.6
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