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You observe the relationship between A and B and realize that if A increases B decreases....
and as the ionic charge (a) decreases, decreases (b) increases, decreases (e) increases, increases (d) decreases,...
and as the ionic charge (a) decreases, decreases (b) increases, decreases (e) increases, increases (d) decreases, increases (e) none of these? 29. If 15.35 mL of a 0.1036 M NaOH is required to neutralize 25.0 mL of a HCl solution to the phenolphthalein end point, what is the molarity of the HCI solution? e) none of these d) 0.1272 M e) 0.0636 M a) 0.1036 M b) 0.2072 M 30. Which molecules are polar? v) N2 ii) CO2 ii) HCI...
This FRQ is kinda confusing me, could someone help me please :) 127.Hypochlorous acid, HOCI, is...
This FRQ is kinda confusing me, could someone help me please
:)
127.Hypochlorous acid, HOCI, is a weak acid in water. The K, expression for HOCI is shown above Write a chemical equation showing how HOCI behaves as an acid in water a. Calculate the pH ofa 0.175 M solution of HOCI b. Write the net ionic equation for the reaction between the weak acid HOCI(aq) and the strong base NaOH(aq) In an experiment, 20.00 mL of 0.175 M HOCI(aq)...
16. Each of three beakers contains 25.0 mL of 0.100 M solution at 25°C. Beaker 1...
16. Each of three beakers contains 25.0 mL of 0.100 M solution at 25°C. Beaker 1 Beaker 2 Beaker 3 0.10 M NaOH 0.10 M NaHCO3 0.10 M H2CO3 a. Determine the pH of the solution in beaker 1. Justify your answer. b. In beaker 2, the reaction HCO, (aq) + H2O(1) = H,CO, (aq) + OH(aq) occurs. The value of K, for HCO, (aq) is 2.3x108 at 25°C. i. Write the K, expression for the reaction of HCO, (aq)...
Chemistry Titrations
The student titrates 20.0 mL of the weak acid with 0.300 M sodium hydroxide, NaOH(aq). When 5.00 mL of NaOH(aq) has been delivered the pH of the weak acid is 5.328.i 5 ptsDetermine the [H3O+].ii 6pts. Determine the Ka of the weak acid.c. The student continues to titrate the weak acid to equivalence.5 pts i. What volume of NaOH(aq) is required to reach the equivalence point with the weak acid?5 pts iiWhat species (NaOH, HA, Na+ OH-, H+, A-) are...
Write the equation for the reaction that forms the few (but important) ions in pure water Write the equation for th...
Write the equation for the reaction that forms the few (but
important) ions in pure water
Write the equation for the reaction that forms the few (but important) ions in pure water. i. Why is tap water more conductive than distilled water? ii i. Is there any evidence that methanol forms ions either in the pure state or when dissolved in water? Would you classify methanol as a strong electrolyte, weak electrolyte, or nonclec- trolyte Compare your measurements for CH,OH(aq),...
Given the data below, how many grams of NaCl would you expect to be formed in...
Given the data below, how many grams of NaCl would you expect to be formed in the reaction of excess HCl with the Na,CO3? The molar mass of sodium carbonate is 105.989 g/mol and the molar mass of sodium chloride is 58.443 g/mol. 83.000 mass of empty beaker (g) mass of beaker plus Na2CO3 (9) mass of Na2CO3 (9) 85.250 2.250 Select one: O a. 2.481 g O b. 3.308 g O c.4.962 g O d. 1.241 g You added...
The stoichiometric relationship between the reactants and products of an aqueous reaction can be used to...
The stoichiometric relationship between the reactants and
products of an aqueous reaction can be used to determine different
kinds of information about a reaction, such as the volume of a
given molarity reactant required to produce a certain amount of
product.
Hydrochloric acid (HCl) reacts with sodium carbonate (Na CO2). forming sodium chloride (NaCl), water (HO), and carbon dioxide (C0.). This equation is balanced as written: 2HCl(aq) + Na, CO, (aq)-2NaCl(aq) + H,0(1) + CO2(g) Part A What volume of...
A 4.36-g sample of an unknown alkali metal hydroxide is dissolved in 100.0 mL of water....
A 4.36-g sample of an unknown alkali metal hydroxide is dissolved in 100.0 mL of water. An acid-base indicator is added and the resulting solution is titrated with 2.50 M HCl(aq)solution. The indicator changes color signaling that the equivalence point has been reached after 17.0 mL of the hydrochloric acid solution has been added. Part B What is the identity of the alkali metal cation: Li+, Na+, K+, Rb+, or Cs+? Li+ Na+ K+ Rb+ Cs+ Part A What is...
dentily the spectator ions in the following molecular equation 22) ldentily A) K & NOs B)...
dentily the spectator ions in the following molecular equation 22) ldentily A) K & NOs B) Ag* & Br E) There are no spectator ions in this reaction. 23) Give the aet ionic eguation for the reaction oif any) that occurs when aqueous solutions of K28 and FeDNOs are mixed C)K(aq) NO3-(aq) KNOs(s) D) Fe2tag)+s2-(aq) ->FeS(s) E) No reaction occurs 24) Give the net ionic equation for the reaction (if any) that occurs when aqueous solutions of H 2s04 and...
Please Answer All (Showing work won't be necessary, just the final answer) 10. How many moles...
Please Answer All (Showing work won't be necessary, just the final answer) 10. How many moles of lithium ions are in 353.7 ml of 0.8926 M lithium phosphate? A) 0.2265 mol B) 0.3157 mol C) 0.4050 mol D) 0.4942 mol E) 0.6794 mol F) 0.9471 mol G) 1.215 mol H) 1.483 mol I) none of these 11. What is the name of the acid HBrO4? A) hydrobromic acid B) bromic acid C) bromous acid D) perbromic acid E) hypobromous acid...
and as the ionic charge (a) decreases, decreases (b) increases, decreases (e) increases, increases (d) decreases, increases (e) none of these? 29. If 15.35 mL of a 0.1036 M NaOH is required to neutralize 25.0 mL of a HCl solution to the phenolphthalein end point, what is the molarity of the HCI solution? e) none of these d) 0.1272 M e) 0.0636 M a) 0.1036 M b) 0.2072 M 30. Which molecules are polar? v) N2 ii) CO2 ii) HCI...
This FRQ is kinda confusing me, could someone help me please
:)
127.Hypochlorous acid, HOCI, is a weak acid in water. The K, expression for HOCI is shown above Write a chemical equation showing how HOCI behaves as an acid in water a. Calculate the pH ofa 0.175 M solution of HOCI b. Write the net ionic equation for the reaction between the weak acid HOCI(aq) and the strong base NaOH(aq) In an experiment, 20.00 mL of 0.175 M HOCI(aq)...
16. Each of three beakers contains 25.0 mL of 0.100 M solution at 25°C. Beaker 1 Beaker 2 Beaker 3 0.10 M NaOH 0.10 M NaHCO3 0.10 M H2CO3 a. Determine the pH of the solution in beaker 1. Justify your answer. b. In beaker 2, the reaction HCO, (aq) + H2O(1) = H,CO, (aq) + OH(aq) occurs. The value of K, for HCO, (aq) is 2.3x108 at 25°C. i. Write the K, expression for the reaction of HCO, (aq)...
Write the equation for the reaction that forms the few (but
important) ions in pure water
Write the equation for the reaction that forms the few (but important) ions in pure water. i. Why is tap water more conductive than distilled water? ii i. Is there any evidence that methanol forms ions either in the pure state or when dissolved in water? Would you classify methanol as a strong electrolyte, weak electrolyte, or nonclec- trolyte Compare your measurements for CH,OH(aq),...
Given the data below, how many grams of NaCl would you expect to be formed in the reaction of excess HCl with the Na,CO3? The molar mass of sodium carbonate is 105.989 g/mol and the molar mass of sodium chloride is 58.443 g/mol. 83.000 mass of empty beaker (g) mass of beaker plus Na2CO3 (9) mass of Na2CO3 (9) 85.250 2.250 Select one: O a. 2.481 g O b. 3.308 g O c.4.962 g O d. 1.241 g You added...
The stoichiometric relationship between the reactants and
products of an aqueous reaction can be used to determine different
kinds of information about a reaction, such as the volume of a
given molarity reactant required to produce a certain amount of
product.
Hydrochloric acid (HCl) reacts with sodium carbonate (Na CO2). forming sodium chloride (NaCl), water (HO), and carbon dioxide (C0.). This equation is balanced as written: 2HCl(aq) + Na, CO, (aq)-2NaCl(aq) + H,0(1) + CO2(g) Part A What volume of...
dentily the spectator ions in the following molecular equation 22) ldentily A) K & NOs B) Ag* & Br E) There are no spectator ions in this reaction. 23) Give the aet ionic eguation for the reaction oif any) that occurs when aqueous solutions of K28 and FeDNOs are mixed C)K(aq) NO3-(aq) KNOs(s) D) Fe2tag)+s2-(aq) ->FeS(s) E) No reaction occurs 24) Give the net ionic equation for the reaction (if any) that occurs when aqueous solutions of H 2s04 and...
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