How do atomic radii vary in a penod and nCalculate the molarity and mo – InterviewSolution

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1.	How do atomic radii vary in a penod and nCalculate the molarity and moality of NaCO, in the solution prepared by dissolving its s is
Answer» weight of Na2CO3=106gm/molhence moles =5.3/106=0.05moleshence molarity=moles/volume of solventhence 0.05/1=0.05M

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