. A current of dry air was bubbled though a bulb containing 26.66 g of an organic substance


A current of dry air was bubbled though a bulb containing 26.66 g of an organic substance in 200 g of water, then though a bulb at the same temperature containing pure water and finally through a tube containing fused CaCl2. The loss of weight of water bulb = 0.0870 g and the gain of the weight of CaCl2 tube = 2.036 g. The molecular weight of the organic substance is

A. 56

B. 41

C. 78

D. 67

Best Answer

Correct Answer: A. 56

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