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Misalkan, volume total larutan = x mL, maka:
massalarutanmassalarutanmassalarutanmassasukrosamassasukrosaπ3,57MrsukrosaMrsukrosa=========Vlarutan⋅ρlarutanxmL⋅1,0197mLg1,0197.xg1005⋅1,0197xg0,050985xg342wt⋅Vlarutan1000⋅R⋅TMrsukrosa0,050985x⋅x1000⋅0,082⋅(20+273)3,570,050985⋅1000⋅0,082⋅293343,13
Jadi, massa molekul sukrosa (Mr) adalah 343,13.