What mass of acetaldehyde is required to obtain 2 mol of acetic acid from it by oxidation with silver (I) oxide?

Let’s execute the solution:
1. We compose the equation according to the problem condition:
X g -? Y = 2 mol;
СН3СОН + Ag2O = CH3COOH + 2Ag – qualitative reaction for aldehyde, obtained acetic acid, silver;
2. Calculations:
M (C2H4O) = 44 g / mol;
M (CH3COOH) = 60 g / mol.
3. Determine the amount of the original substance:
Y (CH3COOH) = 2 mol;
Y (C2H4O) = 2 mol since the amount of substances is 1 mol according to the equation.
4. Find the mass of the aldehyde:
m (C2H4O) = 2 * 44 = 88 g.
Answer: to carry out the process, acetaldehyde weighing 88 g is required.

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