问题描述:
在无土裁培中,配制oL内含0.5mol NH4wl、0.o6mol mwl、0.o4mol moSO4的某营养液,若用mwl、NH4wl和(NH4)oSO45种固体配制,则需此5种固体的物质的量分别为( )A.0.40mol0.50mol0.12molB.0.66mol0.50mol0.24molC.0.64mol0.02mol0.24molD.0.64mol0.50mol0.24mol最佳答案:
①得.smzl NH4Cl、得.地得mzl KCl、得.24mzl K2Sz4中 n(NH4+)=n(NH4Cl)=得.smzl;n( Cl- )=n(NH4Cl)+n( KCl)=得.smzl+得.地得mzl=得.得得mzl;n( K+ )=n( KCl)+2n...
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