Question:
180.2 get of sugar syrup contains 34.2 g of sugar calculate morality of the solution
Answer:
Weight of sugar syrup = 180.2 g
Weight of sugar in the syrup = 34.2 g
Therefore, weight of water in the syrup = 180.2 – 34.2 = 146 g
Mol. wt. of sugar, C12H22O11 = 342
So, molal concentration = 34.2 *1000/342 *146 = 0.69 molal.
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