Which solution will be the most basic? O 0.10 M NH3 0.10 M KOH O 0.10...
Which solution will be the most basic? 0 0.20 M Ca(OH)2 O 0.20 M COH 0.20 M LIOH 0.20 M CH3OH All solutions have equal basicity.
What volume of 0.829 M KOH solution is required to make 3.54 L of a solution with pH of 12.5? Express your answer with the appropriate units. TH HÀ • • • Ea ? V = 0.13 L Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Review your calculations; you may have made a rounding error or used the wrong number of significant figures.
Part F Calculate pH for this strong base solution: 15.0 mL of 1.10x10-2 M Ca(OH), diluted to 420.0 mL Express your answer using three decimal places. I VOAED ? pH= Previous Answers Request Answer Submit X Incorrect; Try Again; 2 attempts remaining P Pearson Terms of Use P htr roconred
If 0.8357 g of sodium oxalate, Na2C2O4, requiresof a 23.47 mL KMnO4 solution to reach the end point, what is the molarity of the KMnO4 solution? 0.10 M Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Part A Balance the following equation by the half-reaction method. The reaction takes place in basic solution. Fe(s) + H2O(1) + O2(g) → Fe(OH)3(s) Express your answer as a chemical equation including phases. = AQ R O 2 ? 4Fe(OH)2 (s) + 2H, O(1) + O2 (g)+4Fe(OH)3 () Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining
Reset Help 01 M KCl to 0.05 M KCI 0.05 M Sucrose to 5 M Sucrose U 2M CH,COOH to 0.8 M CH,COOH 2.1 M HNO, to 12 M HNO, 0.5 M NaCl to 1 M NaCI 1.2 M KCl to 24 M KCI Osmosis Reverse osmosis 1 M BeCl, IM KA 2 M CH3OH 1M CH120 Highest osmotic pressure Lowest osmotic pressure The correct ranking cannot be determined a 6.0 % (m/v) KOH solution prepared from 10.0 mL of...
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120 M in HBr and 0.125 M in HCHO, Express your answer to three decimal places. A 2 ? IVO AJD pH = .613 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B 0.170 M in HNO2 and 8.5x10-2 Min HNO3 Express your answer to two decimal places. IVO AQ R O 2 ? pH = 0.593 Submit Previous Answers...
Find the [OH-] of a 0.28 M aniline (C6H5NH2) solution. (The value of Kb for aniline (C6H5NH2) is 3.9 x 10-10.) Express your answer to two significant figures and include the appropriate units. TE Å R O ? mo [OH-] = 1.04 • 10-5 Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining - Part B Find the pH of a 0.28 M aniline (C6H5NH2) solution. Express your answer using two decimal places. O AU O O...
Part A What is the pH of a 0.0020 M Ba(OH)2 solution? 0 2.40 O 11.60 O 2.70 O 11.30 Submit Previous Answers Request Answer X Incorrect; Try Again Provide Feedback
Part A (acidic) HfO2 (s) → Hf(s) Express your answer as a half-reaction including electrons and phases. AJO O ? Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Part B (basic) Ni(OH)2 (s) → Ni2O3 (s) Express your answer as a half-reaction including electrons and phases. Part C (acidic) NO3 - (aq) + NO2 (g) Express your answer as a half-reaction including electrons and phases. = AED P ? NO2 (aq) + 2H+ (aq) + e...