设能生产这种瓶胆x只．
CH₂OH（CHOH）₄CHO+2[Ag（NH₃）₂]OH

60～70℃

水浴

CH₂OH（CHOH）₄COONH₄+2Ag↓+3NH₃+H₂O
  180                                                        108×2
5000g×98%                                                    0.3×x

180

5000g×98%

=

108×2

0.3×x

解得x=19600
故答案为：19600只．