(Answered) 1nbspmg2c2o4s rarr 2mg2aq c2o42-aq kspnbsp 86 x 10-5what is

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#1) Mg₂C₂O₄(s) → 2Mg²⁺(aq) +C₂O₄^2-(aq) K_sp = 8.6 x 10^-5

What is Q_sp if 100 mL of 0.048 M Mg(N0₃)₂ is added to 50 mL of 0.025 M Na₂C₂O₄?

#2) 2 L of an unknown concentration of the weak base ammonia are standardized. 50.0 mL of the basic solution are titrated with 0.200 M HCl. The end point occurs after 84.1 mL of acid are added. What is the concentration of ammonia in the 2 L flask?

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