112 ml of a gas is produced at STP by the action of 0.412 gm of ROH alcohol with CH3Mgl. Molecular mass of alcohol is:
Correct answer: C. 80 g
- A. 32 g
- B. 41.2 g
- C. 80 g
- D. 156 g
Explanation
Following is the solution to this question:To find the molecular mass of the alcohol, we can use the formula:Molecular mass = (Mass of alcohol) x (Molar volume of gas at STP) / (Volume of gas produced)Rearranging the formula to solve for molecular mass, we get:Molecular mass = (0.412 g) x (22.4 L) / (0.112 L)Molecular mass = 80 g/molSo, the molecular mass of the alcohol is 80 g/mol.
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