What is the K sp value of manganese hydroxide Mn(OH) 2 if the solubility of Mn(OH) 2 was found to be 2.2 ×10 –5 M. a. b. 4.3 ×10 –14 c. 1.1 ×10 –14 d. 2.2 ×10 –5 e. 4.8×10 –14
What is the K sp value of manganese hydroxide Mn(OH) 2 if the solubility of Mn(OH) 2 was
found to be 2.2 ×10 –5 M.
a.
b. 4.3 ×10 –14
c. 1.1 ×10 –14
d. 2.2 ×10 –5
e. 4.8×10 –14
In which of the following aqueous solutions would you expect Mg(OH) 2 to have the
lowest solubility?
a.
b. 0.02 M MgCl 2
c. 0.03 M KOH
d. 0.04 M NaOH
e. Pure water
Which of the following would affect the value of the rate constant, k?
A + B C rate = k[A] 2 [B]
a. Decreasing the temperature.
b. Changing the concentration of the product.
c. Changing the concentration of reactant.
d. Letting the reaction run for a long time.
What is th solubility (in M) of Ca(OH) 2 in a 0.25 M solution of KOH? K sp of Ca(OH) 2 is
5.5 × 10 –6 ?
a. 2.2 × 10 –5
b. 8.8 × 10 –5
c. 1.38× 10 –6
d. 3.44× 10 –7
Conssider the following reaction equilibrium
2 NO(g) N 2 (g) + O 2 (g)
Le chatelier’s principle predict that adding N 2 (g) to the reaction container will:
a. Decrease the partial pressure of NO(g) at equilibrium
b. Increase the partial pressure of O 2 (g) at equilibrium
c. Increase the partial pressure of NO(g) at equilibrium
d. No effect
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