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Which of these less than 100% ionizes to produce H ion? O HC2H302 O NH3 O...
Which of these less than 100% ionizes to produce Hion? HF O NH3 Онсі NaOH
9 Which buffer had the highest absolute concentrations of HC,H,O, and NaC2H5O2? 10. Which buffers had the most effective ratio of NaC,H,O, to HCHIO, 11. Write the net ionic equation for the reaction of H3O(from HCI) with your buffer. 12. Does adding HCl raise or lower the concentration of HC,H,O,? 13. Does adding HCl raise or lower the concentration of NaC2H5O2? 14. Does adding a small amount of HCl significantly change the pH? 15. Write the net ionic equation that...
Question 8 3 pts Which of the following is not a conjugate acid/base pair? O HC2H302/C2H302" O NH4+/NH3 CO2/C03 OH3PO4/H2PO4 Question 9 3 pts A 1.0 M solution of NaC2H3O2 in water is expected to be: Acidic because sodium acetate undergoes hydrolysis Neutral because sodium acetate is a salt Basic because acetate ion is the conjugate base of acetic acid Acidic because it forms acetic acid Question 10 3 pts Examples of ionizing radiation would include: infrared (IR) visible light...
+ NH3 H₂O OH NH4+ Given the chemical reaction above, NH3 would be classified as a O A strong acid O B. weak base O C. Strong base O D. weak acid QUESTION 11 When added to water, which of the following would produce an acid? OMgo Nao NH3 SO3 None of the above. 00000 QUESTION 12 taste. Liquids that have a basic pH can be identified by their O A. salty O B. sour O C. sweet O D....
Select any of the following combinations which would make a good buffer solution? O 0.3 M HC2H302 + 0.1 M HCI 0.05 M H2CO3 + 0.05 M KHCO3 0.05 M KC2H302 0 0.1 M HCN + 0.2 M NaCN 0.2 M NaF + 0.2 M NaOH O 0.3 M NH4CI O 0.2 M NH3 + 0.1 M NH4Br O 0.3 M NH4Cl + 0.1 M HCI O 0.3 M NH4Cl + 0.1 M NH3 O 0.5 M HI + 0.5...
1) An Arrhenius acid is defined as a substance which: A) increases [H+] when placed in water C) decreases [H+] when placed in water B) acts as proton acceptor in any system D) acts as proton donor in any system 2) Which of the following is a correct balanced equation for the neutralization reaction that occurs between Al(OH)3 and HCl(aq)? A) Al(OH)3 + HCl(aq) → AICI3 + H20 B) Al(OH)3 + 3 HCI (aq) → AICI3 + H+ + OH-...
Analyze the chemical equation below: HC, H, O2(aq) + H2O() C, H307(aq) + H30 (aq) HC2H302 is a Its is C2H3022 weak acid; conjugate acid O strong acid; conjugate base O strong base; conjugate acid 1 Proctoric O weak base; conjugate acid Principles of Chemistry II weak Bas: NH₃ Vanda But Question 29 Which of the following compounds would be insoluble in water? O BaSO4 O BaF2 O Na2SO4 NaF Question 30 1 Proctorio is sharino Which of the following...
Which is the most reasonable prediction for the H-N-H bond angle in NH3? Multiple Choice o 105 o o o o
Question 21 3 pts Which of the following would represent a buffer solution? HF/HCI OHC,H,O,CVNIC,H,O,CI NaOH/NaCl OHCHO/NH3
O-C=O (negatively charged) and NH3+ and H bonds, which atom could only be an acceptor?