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2 l of an unknown concentration of the weak base ammonia


#1) Mg2C2O4(s) → 2Mg2+(aq) +C2O42-(aq) Ksp = 8.6 x 10-5

What is Qsp 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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Chemistry: 2 l of an unknown concentration of the weak base ammonia
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