1. Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL...
1. Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M solution of sodium sulfide to a total volume of 250. mL
2. Which element is oxidized in the reaction below? Fe+2 + H+ + Cr2O7-2 --> Fe+3 + Cr+3 + H2O
3. How many moles of BaCl2 are formed in the neutralization of 393ml of 0.171 M Ba(OH)2 with aqueous HCL?
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1. Calculate the concentration (M) of sodium ions in a solution
made by diluting 50.0 mL...
Calculate the concentration (M) of sodium ions in a solution made by diluting 30.0 mL of...
Calculate the concentration (M) of sodium ions in a solution made by diluting 30.0 mL of a 0.574 M solution of sodium sulfide to a total volume of 150 mL.
A solution of HCl is prepared by diluting 25.0 mL of a 1.0 M HCl solution...
A solution of HCl is prepared by diluting 25.0 mL of a 1.0 M HCl solution with enough water to make 750 mL of HCl solution. (Show your work for all calculations!) a) What is the molarity of the HCl solution? b) What is the [H3O+] and the pH of the HCl solution? c) Write the balanced chemical equation for the reaction of HCl and Ba(OH)2 d) How many milliliters of the diluted HCl solution is required to completely react...
How many moles of water are formed in the neutralization of 393 mL of 0.171 M Ba(OH)2 with aqueous HCI? _Ba(OH)2...
How many moles of water are formed in the neutralization of 393 mL of 0.171 M Ba(OH)2 with aqueous HCI? _Ba(OH)2 + _HCI → __BaCl2 +_H20 0.0336 mol 1.21 mol 0.134 mol 0.0672 mol
A 20.00 mL Ba(OH)2 solution of unknown concentration was neutralized by the addition of 29.57 mL...
A 20.00 mL Ba(OH)2 solution of unknown concentration was neutralized by the addition of 29.57 mL of a 0.1326 M HCl solution. Write the balanced molecular equation for the neutralization reaction between HCl and Ba(OH)2 in aqueous solution. Include physical states. Calculate the concentration of Ba(OH)2 in the original 20.00 mL solution.Calculate the concentrations of Ba2 and Cl– in solution following the neutralization reaction.
A 0.6739 g sample of a pure carbonate, X,CO,(s), was dissolved in 50.0 mL of 0.1850 M HCl(aq). The excess HCl(aq)...
A 0.6739 g sample of a pure carbonate, X,CO,(s), was dissolved in 50.0 mL of 0.1850 M HCl(aq). The excess HCl(aq) was back titrated with 24.70 mL of 0.0980 M NaOH(aq). How many moles of HCl react with the carbonate? moles of HCI = mol What is the identity of the cation, X? cation: A standardized solution that is 0.0100 M in Na+ is necessary for a Hame photometric determination of the element. How many grams of primary-standard-grade sodium carbonate...
What is the concentration of a solution obtained by diluting 2.50 mL of 5.6 M solution...
What is the concentration of a solution obtained by diluting 2.50 mL of 5.6 M solution of hydrochloric acid to 50.0 mL with distilled water?
1. Calculate the millimoles of nitrate ion present in 737 mL of an aqueous solution containing...
1. Calculate the millimoles of nitrate ion present in 737 mL of an aqueous solution containing 6.38 ppm of Pb (NO3) 2. 2. Calculate the molar concentration, and the function p of the ions in a solution that is 0.0052 M in CaCl2 and 0.0036 M in BaCl2. 3. Calculate the pH of the solution obtained by mixing 2000 mL of 0.0200 M HCl with 1000 mL of 0.0400M HNO3 4. A sample of 0.3396 g of pure 96.4% Na2SO4...
A 50.0 mL solution of 0.805 M acetic acid, a monoprotic acid, is completely neutralized by...
A 50.0 mL solution of 0.805 M acetic acid, a monoprotic acid, is completely neutralized by the addition of 23.55 mL of sodium hydroxide. What is the concentration of the initial sodium hydroxide solution? What is the final concentration of the sodium ions in mol/L? In the reaction in question 1, the initial temperature of each solution is 22.1°C. The temperature after mixing is 29.4°C. How much heat is liberated by this neutralization reaction? What is the heat of neutralization...
25 mL of a 0.126 M solution of Ba(OH)2 is titrated with a solution of HCl...
25 mL of a 0.126 M solution of Ba(OH)2 is titrated with a solution of HCl of unknown molarity. If the equivalence point of the titration is obtained after addition of 28.3 mL of the HCl, the molar concentration of HCl is: Ba(OH)2 + 2 HCl = 2 H2O + BaCl2 A. 0.134 M B. 0.252 M C. 0.285 M D. 0.223 M E. 0.063 M
What is the concentration of a solution formed by diluting 26.0 mL of a 3.5 M...
What is the concentration of a solution formed by diluting 26.0 mL of a 3.5 M glucose solution to 240 mL?
How many moles of water are formed in the neutralization of 393 mL of 0.171 M Ba(OH)2 with aqueous HCI? _Ba(OH)2 + _HCI → __BaCl2 +_H20 0.0336 mol 1.21 mol 0.134 mol 0.0672 mol
A 0.6739 g sample of a pure carbonate, X,CO,(s), was dissolved in 50.0 mL of 0.1850 M HCl(aq). The excess HCl(aq) was back titrated with 24.70 mL of 0.0980 M NaOH(aq). How many moles of HCl react with the carbonate? moles of HCI = mol What is the identity of the cation, X? cation: A standardized solution that is 0.0100 M in Na+ is necessary for a Hame photometric determination of the element. How many grams of primary-standard-grade sodium carbonate...
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