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在无土裁培中,配制500ml内含1mol /L NH4Cl、0.32mol /L KCl、0.48mol/L K2SO4的某营养液,若用KCl、NH4Cl和(NH4)2SO4三种固体配制,则需此三种固体的物质的量分别为

A.0.40mol、0.50mol、0.12mol B.0.66mol、0.50mol、0.24mol

C.0.64mol、0.02mol、0.24mol D.0.64mol、0.50mol、0.24mol

高一化学单选题简单题

少年,再来一题如何?
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