Questions from General Chemistry


Q: Calculate the number of moles of the indicated ion present in each

Calculate the number of moles of the indicated ion present in each of the following solutions. a. Na+ ion in 1.00 L of 0.251 M Na2SO4 solution b. Cl- ion in 5.50 L of 0.10 M FeCl3 solution c. NO3-...

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Q: Given the general equation illustrating the reaction of the acid HA in

Given the general equation illustrating the reaction of the acid HA in water, HA(aq) + H2O(l) H3O+(aq) + A-(aq) explain why water is considered a base in the Brønsted-Lowry model....

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Q: Calculate the number of moles of each ion present in each of

Calculate the number of moles of each ion present in each of the following solutions. a. 10.2 mL of 0.451 M AlCl3 solution b. 5.51 L of 0.103 M Na3PO4 solution c. 1.75 mL of 1.25 M CuCl2 solution...

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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 pOH values. a. pOH = 4.95 b. pOH = 7.00 c. pOH = 12.94 d. pOH = 1.02

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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 or pOH values. a. pOH = 4.99 b. pH = 7.74 c. pOH = 10.74 d. pH = 2.25

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Q: Calculate the pH corresponding to each of the hydroxide ion concentrations given

Calculate the pH corresponding to each of the hydroxide ion concentrations given below, and indicate whether each solution is acidic or basic. a. [OH-] = 4.73 * 10-4 M b. [OH-] = 5.99 * 10-1 M c. [...

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Q: Calculate the pH corresponding to each of the following hydroxide ion concentrations

Calculate the pH corresponding to each of the following hydroxide ion concentrations, and indicate whether each solution is acidic or basic. a. [OH-] = 4.85 * 10-5 M b. [OH-] = 3.96 * 10-7 M c. [OH...

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Q: Calculate the new molarity if each of the following dilutions is made

Calculate the new molarity if each of the following dilutions is made. Assume the volumes are additive. a. 55.0 mL of water is added to 25.0 mL of 0.119 M NaCl solution b. 125 mL of water is added t...

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Q: Calculate the new molarity that results when 250. mL of water

Calculate the new molarity that results when 250. mL of water is added to each of the following solutions. a. 125 mL of 0.251 M HCl b. 445 mL of 0.499 M H2SO4 c. 5.25 L of 0.101 M HNO3 d. 11.2 mL...

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Q: Calculate the hydrogen ion concentration and the pH of each of the

Calculate the hydrogen ion concentration and the pH of each of the following solutions of strong acids. a. 1.04 * 10-4 M HCl b. 0.00301 M HNO3 c. 5.41 * 10-4 M HClO4 d. 6.42 * 10-2 M HNO3

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