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(1)Consider the reaction system Br2(g) + Cl2(g) 2BrCl(g) at a given temperature. When the system is at equilibrium, the molar concentrations of Br2,...

(1)Consider the reaction system
Br2(g) + Cl2(g) ® 2BrCl(g)
at a given temperature. When the system is at equilibrium, the molar concentrations of Br2, Cl2, and BrCl are 0.0060 M, 0.0095 M, and 0.015 M, respectively. The value of Kc for this system is_____ ?
The answer is 3.9

(2)Oxalic acid is a relatively strong diprotic acid with Ka1 = 5.6 ´ 10-2 and Ka2 = 5.1 ´ 10-5.
The pH of a 0.100 M solution is 1.30. What is the hydronium-ion concentration for this solution?
The answer is 0.050 is that right.

(3)One molar solutions of the following three salts
NaCl
CaCl3
FeCl3
will result in solutions that are, respectively,

I think they are NaCl is neutral, CaCl3 is basic, and FeCl3 is acidic.

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(1)Consider the reaction system
Br2(g) + Cl2(g) -> 2BrCl(g)
at a given temperature. When the system is at equilibrium, the molar concentrations of Br2, Cl2,
and BrCl are 0.0060 M, 0.0095 M, and...

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