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Kb \"weak base calculations\" 1. The hydronium ion concentration of an aqueous solution of 0.538 M ammonia is H3O+...

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Chemistry

Kb\"weak base calculations\"
1. The hydronium ion concentration of an aqueous solution of0.538 M ammonia is
H3O+ _______ M

Kb WEAK BASE CALCULATIONS

2. The pOH of an aqueous solution of 0.408 M isoquinoline(aweak base with the formula C9H7N) is _______
* the formula for this is not -log[OH-]

Buffer:
3. A solution contains 0.460 M sodium cyanide and 0.314 Mhydrocyanic acid.
The pH of this solution is _____.

4. 2NOBr <-----> 2NO + Br2
If 0.234 moles of NOBr, 0.336 moles of NO, and .350 moles ofBr2 are at equilibrium in a 17.9 L container at 455 K, the value ofthe equilibrium constant, Kp, is ______.

5. A student ran the following the reaction in the laboratoryat 584 K:
CO + Cl2 <-----> COCl2

When she introduced CO and Cl2 into a 1.00 L evacuatedcontainer, so that the initial partial pressure of CO was 2.78 atmand the initial partial pressure of Cl2 was 1.72 arm, she foundthat the equilibrium partial pressure of COCl2 was 1.38 atm.

Kp= ______

Answer & Explanation Solved by verified expert
4.1 Ratings (620 Votes)
1 H2O NH3 NH4 OH 0538M 0 0 0538x x x Kb ammonia 18x105OHNH4OH x20538x x 31x103M H3OOH1x1014 H3O 1x101431x103 323x1012M 2 Kb    See Answer
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