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QUESTION 5 Which pair listed below could be used to make a buffer solution? O HCIO...
QUESTION 7 Which pair listed below could be used to make a buffer solution? O F and CN O C102 and Cr ClO2 and cl HBrO2 and Br" HClO2 and clo21 ClO2 and CN
QUESTION 6 Which pair listed below could be used to make a buffer solution? NH3 and HCIO2 HCIO3 and NH3 HClO3 and HClO2 H2PO4 and H3PO4 H2S and H3PO4 H3PO4 and p3-
Question 6 5 pts Which buffer system is the best choice to make a buffer at pH 3.15? HC,H502/C7H502 O HNO2/HNO2 HCIO/CIO HC2H302/C2H302 HOCI/OCI- HNO/NO,
3.34 pts Question 11 Identify the pair with the weakest and strongest acids from the group below. The weakest acid is listed first in the responses. HCIO 3, HCIO2, HCIO4. HCIO OHCIO < HCIO4 O HCIO4 <HCIO, O HCIO3 < HCIO4 O HCIO <HCIO2
Which of following could be used to make a buffer with sulfurous acid, H2SO3? O sulfurous acid cannot make a buffer O sulfate ion hydrogen sulfite (bisulfite) ion O sulfite ion
Buffers 1. Indicate which of the following pairs of compounds could be used to make a buffer solution by placing an X in the appropriate column. Buffer Solution | Not a Buffer Solution Pair of Compounds HF and Cl H.COs and OH HNO2 and NO NHa and NH L 2. Write out the reaction of acetic acid CH.COOH reacting with water. 3. What is the pH of a buffer solution in which the (CH3COOH) is 0.229 M and the (CH...
which of the following substances could be used to make a buffer solution when added to a solution of HCN? A) HBr B) LiCN C) LiOH D) H2CO3 E) LiBr
Which of the following shown below represent a pair of enantiomers? Which of the following shown below represent a pair of enantiomers? (a) Br CN CC-CN HC-CH3 (b) ÇO2H Br HC-Br HC-CN CO2H Br CN Ich CH3 OH OH (d) CH3 CO2H H-C-OH HC-CH2CH3 CH2CH2 H3C 1. H7C-CO2H HAN H3C 77-H HN. O ཅི O ཆེ O O བྱི
pairs in the reaction: K2Cr2O7+FeSO4 +H2SO4 Fe2(SO4)3 +K2SO4+ Cr2(SO4)3 + H2O QUESTION 2: Base on the Latimer's diagram below pH 0: ClO4 1,201 CIO 1.181 HCIO2 1,701 HCIO 1.630 Ch 1.358 Cl pH 14: Detrmine the comproportinations, and disproportionations of Chlorine's compounds at pH =9 QUESTION 3: Calculate the standard reduction potential of Fe3 /Fe in CN solution, knew that o of Fe3t/Fe2t without CN is +0 771 V and the product solubility of Fe(OHa is 1034 and ClO4 0,374CIO...
For each of the weak acids listed below, consider how you would make a buffer solution where the weak acid has a concentration of 0.5 M at equilibrium. Determine what molarity for each potassium conjugate base salt would need to be added to make 500 mL of an effective buffer with a pH of 5.32. Which acid would make the best buffer at this pH? Which conjugate base salt would be the most economical (cheapest) out of the three choices? ...