在无土栽培时,需用0.5mol×L-1 NH4Cl,0.16mol×L-1 KCl,0.24mol×L-1 K2SO4配制而成的营养液。若用KCl,NH4Cl和(NH4)2SO4三种固体来配制1L营养液,则需此三种固体物质的量分别为A.0.4mol,0.5mol,0.12molB.0.66mol,0.5mol,0.24molC.0.64mol,0.5mol,0.24molD.0.64mol,0.02mol,0.24mol
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D解析只需满足n(NH4+)=0.5mol,n(Cl)-=0.66mol,n(K+)=0.64mol即可。