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- 23). A solution with a pOH of 4.3 has a [H] of а). c) 4.8 x 10 M. 6.8 x 10- M. b). 3.2 х 10+ М. d) 2.0 x 10 10 M.2. At 25°C, what are the molar H,O* and OH- concentrations in a. 0.0300 М С6H5COОH? b. 0.0600 M HN3? c. 0.0860 M CH3CH2COONA? с.al 38% 8:42 . Pharmaceutical Inorganic Chemistr... (Ph... O Calcium Sulfate O Strontium Sulfate The following are expected to be precipitated out of their solutions, except: Lithium Hydroxide O Zin Hydroxide O Aluminum Hydroxide Ferric Hydroxide O Magnesium Hydroxide The following are not properties of acids except:
- A student is asked to standardize a solution of calcium hydroxide. He weighe out 0.920 g potansium hydrogen phthalate (0CO, treat this an a moneprotic adid). It requires 19.0o mt of calcium hydroxide to reach the endpoint. A. What is the molarity of the calcium hydroxide solution IM This calciunm hydroxide solution is then used to trate an unknown solution of hydrobromic acid. B. If 24.8 ml of the calcium hydroxide solution is required to neeutralize 29.1 mt of hydrobromic acd, what is the molarity of the hydrobromic acid solution?What weight of potassium hydrogen phthalate will require 30. mL of a 0.30M NaOH solution to reach the equivalence point? KHP MM 204.22 g/mol .CO;K' .CO;K' NaOH + H2O + *CO,H COƠ,Na'(1) HNO H,SO, (2) Fe, HCI; HO CI (3) ACCI, (CH3CH2N (4). SnBu, Pd(Ph,P). base
- Which of the following will produce a solution that is less than 7 (i.e. acidic solution)? Select one: O a. 10ml 1.0M CHзCOон + 10mL 1.0 M Naон O b. 10ml 1.0 M Na*CH3C00 + 10mL 1.0 M HCIO4. Oc. 20mL 1.0 M кон+ 10ml 1.0M HCIO4 O d. 10ml 1.0 M Na*CH;CO0 + 10mL 1.0 M KOH. O e. 10ml 1.0 M Na*CH3C00 + 20mL 1.0 M HCIO4.Which of the following is a representation of the ion product of water H2O(1) + H»O(l HO (ag\ + OH (ag) HOH HO HOH K HH.O OK. H2O O Ku = [H] OH Submit Question F3 F5 FA F7 F9 F10 F11 F12 Sc 144 2$ 4 T Y H. J K V * aA mixture contains Na2CO3, NaOH and inert matter. A sample weighing 28.85 ml of 0.5000N HCl to reach the endpoint and an additional 23.85 ml to reach the methyl orange end point. What are the percentages Na2CO3 and NaOH
- If 2 ml of 25 N H2SO4 is transferred to 50 ml volumetric flask and complete to mark with ditilled water, the concentration of acid will be .. M* O 2.5 O 1.5 2 O 0.5 0 1 Non of theseCalculate the concentrations of all species in a 0.280 M Na, SO, (sodium sulfite) solution. The ionization constants for sulfurous acid are Kal 1.4 x 10-2 and K22 = 6.3 × 10-8. [Na*] =| 7.84 x10–3 (so?] =| 1.98 x10¬5 M M [HSO,] = | 7.84 x10¬3 [H,SO,] = 1.98 x10¬5 M М [OH"] = [H*] = M MWhat is the pOH of a solution prepared by diluting 208.4 mL of 1.059 M HNO3 (ka>>1) to a total volume of 14.248L? Please report your answer to 3 decimal places.