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19 Nov 2019
Indicate the one correct answer for each problem in the space for it on the right side of the paper Credit is earned only if the correct letter is given on the right, regardless of what is circled or written Use CAPITAL LETTERS for your answers. I) Consider the following reaction: H2O + H' â H,0.. Which of the chemicals in this reaction is the adduct? A. Ho* B. H2O C. H D. There is no adduct in this reaction 2) Which is the strongest of these four acids? A. HIO2 B. HCIO C. HCIO2 D. HBrO2 3) Which pair of chemicals dissolved in water forms a buffer solution? 3) A. HCI, NH CI B. KNO2, HNO2 C. NaF, KF D. Ca(OH)2, CaCl 4) The molar solubility of a salt with formula AB, is 1.8x10 mol/L 4) Its Ksp is 2.8x10. What is x? A. 1 B. 2 C. 3 D. 4 5) 5) 25.00 mL of 0.200 M NaOH is mixed with 25.00 mL of 0.200 M HC,H,02 The resulting solution is: A. a weak acid solution. B. a weak acid solution. C. a salt solution. D. a buffer solution.
Indicate the one correct answer for each problem in the space for it on the right side of the paper Credit is earned only if the correct letter is given on the right, regardless of what is circled or written Use CAPITAL LETTERS for your answers. I) Consider the following reaction: H2O + H' â H,0.. Which of the chemicals in this reaction is the adduct? A. Ho* B. H2O C. H D. There is no adduct in this reaction 2) Which is the strongest of these four acids? A. HIO2 B. HCIO C. HCIO2 D. HBrO2 3) Which pair of chemicals dissolved in water forms a buffer solution? 3) A. HCI, NH CI B. KNO2, HNO2 C. NaF, KF D. Ca(OH)2, CaCl 4) The molar solubility of a salt with formula AB, is 1.8x10 mol/L 4) Its Ksp is 2.8x10. What is x? A. 1 B. 2 C. 3 D. 4 5) 5) 25.00 mL of 0.200 M NaOH is mixed with 25.00 mL of 0.200 M HC,H,02 The resulting solution is: A. a weak acid solution. B. a weak acid solution. C. a salt solution. D. a buffer solution.
Trinidad TremblayLv2
25 Sep 2019