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Răspuns:
1mol de CH≡CH ...1 mol de C2Ag2
2moli ...... 2moli de C2Ag2
mC2Ag2 = 2 x 240=480g
M ptr C2Ag2 = 240g
Explicație:
CH≡CH + 2Ag(NH3)2 OH --- C2Ag2 + 2NH3 + 2NH4OH