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nh3 + h2so4 nh4 2so4
nh4oh + nh4 2so4
nh4oh + h2so4
h2so4+nh4oh
nh4 2co3 + h2so4
nh4 2so4 + naoh
h2so4 + 2naoh na2so4 + 2h2o
h2so4 + 2naoh – na2so4 + 2h2o
n2h4.h2so4
nh2oh 2·h2so4
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