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Calculate the concentration of Ag+ in a solution prepared by mixing equal volumes of 2.0×10-3M AgNO3 and 0.20M NaCN .
Silver ion reacts with excess CN- to form a colourless complex ion, Ag(CN)2-,which has a formation constant Kf=3.0*1020
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Calculate the number of moles of barium chloride in 427g of a 3.17% by mass barium chloride solution?
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