Concept explainers
Write a balanced equation for the neutralization of each of the following:
a.
b.
c.
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Basic Chemistry
- Mg(OH)2 + 2 HCI -> MgCl2 + 2 H20 Use the balanced chemical equation to calculate the mass and volume of 0.99 M hydrochloric acid required to neutralize 750.0 mg of magnesium hydroxide.arrow_forwardFor each of the following cases, decide whether the pH is less than 7, equal to 7, or greater than 7. a. 10. mL of 0.25 M propanoic acid, CH3 CH2 CO,H is mixed with 10. mL of 0.25 M NAOH. The pH of the solution is less than 7. The pH of the solution is equal to 7. O The pH of the solution is greater than 7. b. 90. mL of 0.45 M HCIO is mixed with 90. mL of 0.45 M NaOH. The pH of the solution is less than 7. The pH of the solution is equal to 7. O The pH of the solution is greater than 7. c. 55 mL of 0.35 M HNO3 is mixed with 55 mL of 0.35 M NaOH. O The pH of the solution is less than 7. O The pH of the solution is equal to 7. O The pH of the solution is greater than 7.arrow_forwardA solution with a pOH of 11.70 has an [H+] of a. 5.0 × 10−3 M.b. 3.2 × 10−4 M.c. 2.0 × 10−12 M. d. 2.30 M.arrow_forward
- a. What is the pOH of an aqueous solution of 0.483 M hydrochloric acid?pOH =______ b. What is the hydronium ion concentration in an aqueous nitric acid solution that has a pOH of 9.200?[H3O+] = _______Marrow_forwardA. What is the pH of an aqueous solution with a hydrogen ion concentration of [H+]=7.2×10−5[H+]=7.2×10−5 M? B. What is the hydroxide ion concentration, [OH−][OH−], in an aqueous solution with a hydrogen ion concentration of [H+]=7.2×10−5[H+]=7.2×10−5 M? C. A monoprotic weak acid, HAHA, dissociates in water according to the reaction HA(aq)↽−−⇀H+(aq)+A−(aq)HA(aq)↽−−⇀H+(aq)+A−(aq) The equilibrium concentrations of the reactants and products are [HA]=0.120 M[HA]=0.120 M, [H+]=3.00×10−4 M[H+]=3.00×10−4 M, and [A−]=3.00 ×10−4 M[A−]=3.00 ×10−4 M. Calculate the ?aKa value for the acid HA.arrow_forwardA solution containing only Ba(OH) 2 in water has a pH of 13.9. What is the molar concentration of barium hydroxide in the solution? a. 1.4 M b. 0.70 M c. 0.040 M d. 0.40 M e. 0.020 Marrow_forward
- A solution with a pOH of 10.70 has an [H +] of a.2.0 × 10−12 M. b.5.0 × 10−4 M. c.3.2 × 10−4 M. d.0.36 M. e.5.0 × 10−3 M.arrow_forwardButyric acid is responsible for the odor in rancid butter. A solution of 0.25 M butyric acid has a pH of 2.71. What is the Ka for the acid? a. 7.8 × 10-3 b. 1.5 × 10-5 c. 0.36 Od. 2.4 × 10-2 Oe. 1.9 × 10-3arrow_forwardWhat is the H+ion concentration of 8.8 x 10–4M Sr(OH)2 solution? a 8.8 x 10–4M b 2.2 x 10–11M c 1.8 x 10–3M d 7.8 x 10–12M e 1.1 x 10–11Marrow_forward
- At 25 degrees Celsius, what is the hydronium ion concentration in 0.100 M sodium chloroacetate? O a. 3.17 x 10-8 M O b. 1.17 x 10 8 Marrow_forwardCalculate the pOH of a 1.0 L solution containing 0.058 g of Mg(OH)2 (mol. wt. 58 g/mol). 3. O 7.0 O 2.7 O 12 O 11.3 Suhmit Quizarrow_forwardWhich is a conjugate acid base pair in the following equation?H 3PO 4 + H 2O H 3O +1 + H 2PO 4 -1 What is the pH of a solution whose H +1 concentration is 4.0 X 10 -9? a. 4.0 b. 8.4 c. 3.6 d. 9.0 What is the boiling point of a 2.0 m aqueous solution of sodium chloride?(The boiling point elevation constant for water is 0.512 °C/m.) please answer allarrow_forward
- Chemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning