来自孔德湧的问题
Ca3(PO4)2+H2SO4=(就是一个硫酸,不能改化学计量数,下同)Ca3(PO4)2+H3PO4=2CaHPO4+H2SO4=Ca(H2PO4)2+2Na3PO4=H3PO4+Ca(OH)2=2H3PO4+Ca(OH)2=Ca(H2PO4)2+2NaOH=
Ca3(PO4)2+H2SO4=(就是一个硫酸,不能改化学计量数,下同)
Ca3(PO4)2+H3PO4=
2CaHPO4+H2SO4=
Ca(H2PO4)2+2Na3PO4=
H3PO4+Ca(OH)2=
2H3PO4+Ca(OH)2=
Ca(H2PO4)2+2NaOH=
1回答
2020-10-30 18:34