Which of the following are water-soluble? (Choose all that apply.)
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Chemistry & Chemical Reactivity
- Consider an analyte solution of 50.0 mL of 0.050 M hydrochloric acid, HCl, titrated against 0.10 M sodium hydroxide, NaOH (d) After adding 12.50 mL of the NaOH, halfway to the equivalence point, what ions or molecules are present in the solution? (e) At the equivalence point, after adding 25.00 mL of NaOH, what ions or molecules are present in the solution? (f) Which of the species you identified in part (e) will determine the pH of the solution?arrow_forward+2 When excess Na,So, solution was added to 20.0 mL of an unknown solution containing Ca 0.0472 g of Caso, precipitated. What is the molar concentration (molarity) of Ca ion, in the unknown solution? (molar mass of CaSo, - 136.14 g/mol A) 1.36 x 10 B) 2.47 x 10 C) 2.10 x 10 D) 1.73 x 10 E) 3.83 x 10 Select one: a. 2.10 x 10 2. b. 1.73 x 10 c. 1.36 x 10 -2 d. 3.83 x 10 e. 2.47 x 10 1- Which of the following pairs of aqueous solutions would not produce a reaction when mixed? Select one: a. Cacl, and Na PO, b. AGNO, and HCI c. NaNO, and CuCl, d. Ba(OH), and HNO, e. Which of the following groups of elements is arranged correctly in order of increasing first ionization energy? Select one: a. Al < B< Oarrow_forwarda) How many milliliters of 0.120 M HCl are needed to completelyneutralize 50.0 mL of 0.101 M Ba(OH)2 solution?(b) How many milliliters of 0.125 M H2SO4 are needed toneutralize 0.200 g of NaOH? (c) If 55.8 mL of a BaCl2 solutionis needed to precipitate all the sulfate ion in a 752-mg sampleof Na2SO4, what is the molarity of the BaCl2 solution?(d) If 42.7 mL of 0.208 M HCl solution is needed to neutralizea solution of Ca(OH)2, how many grams of Ca(OH)2 must bein the solution?arrow_forwardCalculate the concentration in molarity of Fe3+ in 1.51 M Fe2(SO4)3 .arrow_forward25 mL 0.125 M aluminum acetate is combined with 35 mL 0.300 M rubidium hydroxide, and the reaction below is allowed to proceed to completion. Al(C2H3O2)3 (aq) + 3 RbOH (aq) --> Al(OH)3 (s) + 3 RbC2H3O2 (aq) 186 mg of aluminum hydroxide (78.00 g/mol) is collected. The yield of the reaction is _____ % Round your answer to the nearest whole number.arrow_forward4- Prepare 0.1 M of HCI in 100ml of distilled water from 6N of HCI?arrow_forwardUse the following balanced chemical equation to answer the below question: 2H&PO4 (aq) +3Mg(OH)2 (aq) 6H2O m + Mg3(PO4)2 (s) The titration of a 14.0 mL sample of H3PO, requires 3.51 mL of 0.400 M Mg(OH)2 to reach the equivalence point. What is the concentration of H3PO,?arrow_forward5) How would you prepare 100 mL of a 2 x 10° ppm NaOH solution? 6) In a titration experiment, a student finds that 25 mL of NaOH solution are needed to neutralize 0.6 g of K2HPO4. What is the concentration (in ppm) of the NaOH solution? 7 Calculate the volume required to prenare 500 ml of 2500 pnm HCLarrow_forwardCalculate the maximum concentration of silver ion (Ag+) in a solution that contains 0.025 M CO32–. The compound Ag2CO3 has Ksp= 8.1 x 10–12. (A) 3.2 x 10–10 M (B) 1.6 x 10–10 M (C) 1.8 x 10–5 M (D) 3.6 x 10–5 Marrow_forward(5) A titration is setup so that NaOH is in a buret and 25.0 mL of HBr soln is in a flask. The NaOH has a known molarity of 0.250 M. At the end point 36.3 mL of NaOH has been added to the HBr soln. What is the molarity of the HBr? (6) A second titration is performed using the same 0.250 M NaOH in a buret. This time 25.0 mL of an H2S04 soln is titrated. At the endpoint 47.8 mL of NaOH has been added to the H2SO4 soln. What is the molarity of the H2S04? 4arrow_forwardNickel sulfate, NiSO 4 , reacts with sodium phosphate, Na 3 PO 4 , to give a pale yellow-greenprecipitate of nickel phosphate, Ni 3 (PO 4 ) 2 , and a solution of sodium sulfate, Na 2 SO 4.. How manymilliliters of 0.375 M N i SO 4 will react with 45.7 mL of 0.265 M Na 3 PO 4 ? . Show balanced chemicalreaction of the problem.arrow_forwardA 50.0 mL solution of Ca(OH)2 with an unknown concentration was titrated with 0.340 M HNO3. To reach the endpoint, a total of 28.4 mL of HNO3 was required. Given that 0.00966 mol of HNO3 are used in the titration, What quantity in moles of Ca(OH)2 had to be present in the initial reaction? mol 1 3. 4 C 7 8. +/- х 10 LOarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
- Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning