Pchem > F2002 Quiz 6

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PHR l42P - Quiz#6 -F2002

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(5) 1. TheMerckindexiiststhe solubiiity of morphinesulfate(MW : 668.76 g/mole)as"1 g in 15.5mi H2Oat 25"C. Whatis the K,oof morphine sulfate? Hint: morphinesulfatecontainstwo "morphineions"p.t sulfateion.

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2. The K,o of A2B is 4.3 x 10-5.If 8 x 104 molesof MgB are addedto 10 ml of 0.02 M A2B, will anythingprecipitxe? Answer must be supportedby correctcalculations.

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