Questions from General Chemistry

Q: Standard silver nitrate solutions are used in the analysis of samples containing

Standard silver nitrate solutions are used in the analysis of samples containing chloride ion. How many grams of silver nitrate are needed to prepare 250. mL of a 0.100 M AgNO3 solution?

Q: Write the conjugate acid for each of the following bases.

Write the conjugate acid for each of the following bases. a. ClO- b. Cl- c. ClO3- d. ClO4-

Q: Write the conjugate base for each of the following acids:

Write the conjugate base for each of the following acids: a. H2S b. HS2 c. NH3 d. H2SO3

Q: Calculate the pH corresponding to each of the pOH values listed,

Calculate the pH corresponding to each of the pOH values listed, and indicate whether each solution is acidic, basic, or neutral. a. pOH = 4.32 b. pOH = 8.90 c. pOH = 1.81 d. pOH = 13.1

Q: Anions containing hydrogen (for example, HCO3- and H2PO42-)

Anions containing hydrogen (for example, HCO3- and H2PO42-) show amphoteric behavior when reacting with other acids or bases. Write equations illustrating the amphoterism of these anions.

Q: Calculate the pOH value corresponding to each of the pH values listed

Calculate the pOH value corresponding to each of the pH values listed, and tell whether each solution is acidic or basic. a. pH = 10.75 b. pH = 3.66 c. pH = 1.98 d. pH = 12.47

Q: What mass of NaOH pellets is required to prepare 3.5

What mass of NaOH pellets is required to prepare 3.5 L of 0.50 M NaOH solution?

Q: What mass of solute is present in 225 mL of 0.

What mass of solute is present in 225 mL of 0.355 M KBr solution?

Q: Write the conjugate base for each of the following acids.

Write the conjugate base for each of the following acids. a. HBrO b. HNO2 c. HSO3- d. CH3NH3+

Q: Calculate the hydrogen ion concentration, in moles per liter, for

Calculate the hydrogen ion concentration, in moles per liter, for solutions with each of the following pH values. a. pH = 2.75 b. pH = 12.8 c. pH = 4.33 d. pH = 9.61