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信息发布者:
C
A
D
$2\ \text {NaHCO}_3\xlongequal[]{△}\ \text {Na}_2\ \text {CO}_3+\ \text {CO}_2↑+\ \text {H}_2\ \text {O}$
B
$\ \text {NaHCO}_3+\ \text {HCl}$
$\xlongequal[]{}\ \text {NaCl}+\ \text {H}_2\ \text {O}+\ \text {CO}_2↑$
B
C