A) mass = 10 mg = 0.01 g
Mole = 0.01/98 => 1.02×10-4 mol
A) concentration = 1.02×10-4/1 = 1.02×10-4 M
B) H2SO4 + 2H2O -----> 2H3O+ + SO42-
C) [H+] = 2×1.02×10-4 => 2.04×10-4 M
pH = -log[H+] => 3.69
100 mg of sulfuric acid is added to a 1L of water and mixed a. What is the acid concentration (M) b. Write the reac...
17. What is the volume of 1M acetic acid that needs to be added to 1L of 25mM sodium acetate solution to achieve pH of 5.5? Assume pka of 4.8 and the added acid to have negligible effect on volume. 18. For question 17 above, what will be the answer if concentration of sodium acetate in the initial 1L solution is 40mm? 19. What is the pH of a solution of 10-3 M HCI? Assume complete dissociation of hydrochloric acids...
6. 1.0 M Sulfuric Acid and 1.0 M NaOH a. What is the beginning pH? b. Write the complete balanced equation. c. Write complete ionic equation. d. List all precipitates that form. e. Write the net ionic equation. f. What is the pH of the solution after the reaction? Is it acidic, basic, or neutral?
1) write the equation that occurs when aqueous sulfuric acid is added to an aqueous solution of nitrite ion 2) write a balanced equation for the reaction between carbondioxide and limewater (saturated calcium hydroxide solution) 3) write the equation for the reaction that occurs when aqueous sulfuric acid is added to an aqueous solution of sulfite ion
11. To determine the concentration of a solution of sulfuric acid, a chemist titrates the solution with aqueous potassium hydroxide. She finds that 21.4 mL of 2.50 M aq. KOH is required to neutralize 10.0 mL of aq, HSO a. Write the balanced equation for this neutralization reaction b. What was the concentration of the H2SO4 solution?
An aqueous solution of sodium fluoride is mixed with sulfuric acid. Write the balanced net ionic equation for the reaction. Write the balanced net ionic equation for the gas producing reaction between hydrochloric acid and sodium carbonate.
1) Acetic Acid is mixed with water in an experiment. The resulting concentration of H3O+ ions in the reaction at equilibrium (after everything has been mixed) is 0.013M. What is the pH of the new solution at equilibrium? 2) A neutralization reaction with Acetic Acid and Sodium Hydroxide is run: CH3COOH + NaOH -> CH3COONa + H2O When the conjugate base (CH3COONa) concentration is 0.008M and the conjugate acid (CH3COOH) concentration in 0.0032M, what is the pH of the solution?...
n a pink aqueous solution of potassium permanganate, faintly addified with dilute sulfuric acid was treated the reaction took place with the evolution of gas bubbles, and the pink solution turned colorless. Further chemical analysis revealed that the evolved gas was oxygen, and the resulting solution contains potassium sulfate and manganese () sulfate; water was also formed during the same reaction. Please with 10% aq. hydrogen peroxide, answer the followings: 1) Write down the balanced chemical equation for this reaction....
1. 1x10^-9 moles of strong acid HCl are added to of water (total volume is 1L). the pH of the resulting solution is... a)9 b)8 c)7 d)5 e)2 I got 9 but got the answer incorrect, so i would like to know how to solve this properly and what is the final answer. 2. the pKa of acetic acid is 4.76. if the pH=4.76 and the concentration of sodium acetate is 0.1M, what is the concentration of acetic acid? a)0.05...
b. Does the concentration of water change significantly when enough acetic acid is added to water to make a 0.1 M solution of acetic acid? No 5. What is the pH of a 0.1 M aqueous solution of HC H.0, which has a K -1.78 x 10.? 6. What is the pH of a 0.1 M aqueous solution of NaC,H.0.? 7. Calculate the pH of an aqueous solution containing 0.10 M HC.H.0, and 0.10 M NaC.H.O Phosphoric acid is a...
A) Considering the dissociation reaction for sulfuric acid in water, what is the pH of a 1.00 x 10^-2 M solution of H2SO4? B) HSO4- will hydolize in water to produce additional H30+; its Ka = 1.2 x 10^-2. Recalculate the pH of the 1.00 x 10^-2 H2SO4 solution, this time also considering the additional H30+ produced from the reaction.