i am a bit confused .-radioactivity we know there is always a mass defect .then why the packing fraction is positive as well as negative..................hmmm let me see who can help
1)Caculate the molar solubility of Mg(OH)2 IN 1.00m NH4Cl (aq)
Ksp(Mg(OH)2)=1.8x10-11
Kb(NH3 aq) =1.8X10-5
i request the users to give a detailed explanation for the qn,bcos i have pbm in doing ionic qns,If i can understand ur solns i can do the rest of the problems,so pls do me a favor.
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2 Answers
Praveen kumar singh
·2009-10-13 06:18:43