A saturated solution of cobalt(II) hydroxide has a pH of 9.36.a. Write the solubility prod...

A saturated solution of cobalt(II) hydroxide has a pH of 9.36.

a. Write the solubility product expression for cobalt(II) hydroxide.

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b. Calculate the numerical value of Ksp for cobalt(II) hydroxide.

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c. How many grams of cobalt(II) hydroxide will dissolve in 2.0 L of water?

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d. How many grams of cobalt(II) hydroxide will dissolve in 50.0 mL of a 0.0100 M NaOH    solution?

Cobalt(11) hydroxide is a gelatinous blue solid.

Calculate each of the following:

a. number of Ag atoms in 0.200 mol of Ag

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b. number of C3H8O molecules in 0.750 mol of C3H8O

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c. number of Cr atoms in 1.25 mol of Cr

Calculate each of the following:

a. number of Ni atoms in 3.4 mol of Ni

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b. number of Mg(OH)2 formula units in 1.20 mol of Mg(OH)2

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c. number of Li atoms in 4.5 mol of Li

a. How does a catalyst affect the activation energy?

b. Why is pure oxygen used in respiratory distress?

How would each of the following changes affect the rate of the reaction shown here?

2NO(g) + 2H2(g) → N2(g) + 2H2O(g)

a. add some NO (g)

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b. lower the temperature

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c. remove some H2(g)

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d. add a catalyst