Question: helpe plz Calculate Rf for each solution: A, B, C, D U is pure or not? If no, which compunds it contains? RFA=0.4,RFB=0.6,RFC=0.16,RFD=0.8 U is

helpe plz

Calculate Rf for each solution: A, B, C, D U is pure or not? If no, which compunds it contains? RFA=0.4,RFB=0.6,RFC=0.16,RFD=0.8 U is pure RFA=0.4,RFB=0.6,RFC=0.16,RFD=0.8 U is not pure and contains C and B RFA=0.2,RFB=0.6,RFC=0.16,RFD=0.8 U is pure RFA=0.16,RFB=0.6,RFC=0.16,RFD=0.8 U is not pure and contains A and C

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