In the ammonia-soda (Solvay) process, consider these steps (ignore balancing where needed). A is a gas recovered at the end, and G is the sparingly soluble precipitate. Find the sum of the total numbe

Question

In the ammonia-soda (Solvay) process, consider these steps (ignore balancing where needed). A is a gas recovered at the end, and G is the sparingly soluble precipitate. Find the sum of the total numbers of atoms in one formula unit each of D, E and F.

$2A + B + C \to D$ ;

$D + B + C \to 2E$ ;

$E + NaCl \to F + G ↓$ ;

$G Δ H + C + B$ .

F reacts with calcium hydroxide to regenerate A, forming calcium chloride and B as the other products.

TestHub · Accepted Answer

A is ammonia, B is water and C is carbon dioxide.

D is ammonium carbonate, with two nitrogen, eight hydrogen, one carbon and three oxygen atoms per formula unit: $14$ atoms.

E is ammonium hydrogencarbonate, with $10$ atoms per formula unit.

F is ammonium chloride, with $6$ atoms per formula unit.

The required sum is $14 + 10 + 6 = 30$ .

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