Which of the following solutions is the most acidic? Which has the lowest pH?
A. 1.0 M HCl
B. .01 M HCl
C. 1.0 M CH3COOH
D. .01 M CH3COOH
Which of the following solutions is the most acidic? Which has the lowest pH? A. 1.0...
13. Which of the following solutions will have a pH of 3.0? (a) 1.0 × 10-3 M CH3COOH (b) 1.0 × 10-3 M NH3 (c) 1.0 × 10-3 M NH (d) 1.0 × 10-3 M HI (e) Both (b) and (c)
Which solution is most acidic (that is, which one has the lowest pH)? 0.80 M HI 0.80 M HClO 1.6 M HClO
Which of the following solutions has the lowest pH? 0.002-M HClO4, 0.20-M CH3COOH, 0.02-M HCl, 2.0-M NaCl, 0.200-M HCOOH (I asked this before but I am unsure if the answer I received is correct so I am resubmitting it.)
22. Which of the following salts generates the lowest pH (most acidic) when dissolved in water, as a 1 mol L-? solution? A) B) Nicotine-HCl (pKb = 6.00) NaNO2 (pKb = 10.70) NaOOCH3 (pK6 = 9.24) NaF (pK6 = 10.80) Cocaine-HCl (pKb = 5.40) E)
Which one of the following solutions has the lowest pH? A. a 0.1 M solution of formic acid, HCOOH (Ka = 1.8 x 10-4) B. a 0.1 M solution of ammonium chloride, NH4Cl(s) (Ka (NH4+) = 5.6 x 10-10) C. a 0.01 M solution of acetic acid, CH3COOH (Ka = 1.8 x 10-5) D. a 0.01 M solution of formic acid, HCOOH (Ka = 1.8 x 10-4) E. a 0.1 M solution of acetic acid, CH3COOH (Ka = 1.8 x...
< Question 1 of 65 > Rank the following solutions from highest pH to lowest pH given the concentration of acidic protons, (H+). soda with a [H] of 0.001 M sodium hydroxide with a H+1 of 1.0 x 10-14 M hydrochloric acid with a [H] of 0.01 M baking soda (sodium bicarbonate) with a [H+of 5.0 x 10 'M pH = 14 pH = 1 Question 1 of 65 > pH = 14 pH = 1 Answer Bank hydrochloric acid...
Which of the following 0.1M aqueous solutions has the lowest pH at 25 C? A. K2HPO3 B. K2PO3 C. NaH2PO3 D. Li3PO3 E. NaOH (the answer is C, but can someone explain why)
Which of the following is most acidic? A. A solution with [H,0+] = 1.0 x 10-10 B. A solution with [H,0+] = 1.0 x 10-5 C. A solution with [OH-] = 1.0 x 10-10 D. A solution with [OH-] = 1.0 x 10-5 E. A solution with a pH of 5. Question 5 Which of the following is most basic? A. CA solution with [H,0+] = 1.0 x 10-10 B. A solution with [H0+] = 1.0 x 10-5 C. A...
Which of the following 1.0 M solutions would have the lowest pH? Weak Base Weak Weink Ka Kb Acid HCN 4.9 x 10-10 HONH2 1.1 x 10-8 A) LINO3 HNO2 4.5 x 10-4 NH3 1.8 x 10-5 B) HONH3Br HIO 2.3 x 10-11 C6H5NH2 4.3 x 10-10 C) H2NNH3CIO4 HBrO 2.5 x 10-9 H2NNH2 1.3 x 10-6 D) Ca(Bro)2 CoH5COOH 6.3 x 10-5 C5H5N 1.7 x 10-9
Which of the following solutions would require the quadratic equation to calculate the pH without a substantial error? A. 0.10 M HCl(aq) B. 0.10 M CH3COOH (aq), Ka(CH3COOH) = 1.8 x 10−5 C. 0.10 M KCN(aq), Ka(HCN) = 4.9 x 10−9 D. 0.10 M KHSO4(aq), Ka(HSO4–) = 1.3 x 10−2