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estion 10 35 mt of 1.25 M hydrochioric acld is needed to titrate 25.0 ml of...
3. How many mL of 0.450 M HCl are needed to titrate 25.0 mL solution of 0.250 M Na2CO3 solution? Na2CO3(aq) + 2HCl(aq) + 2NaCl(aq) + CO2(g) + H2O(l)
1. When 25.0 mL of a 2.11×10-4 M magnesium bromide solution is combined with 15.0 mL of a 9.37×10-4 M ammonium fluoride solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to . 2. Solid potassium hydroxide is slowly added to 175 mL of a 0.0511 M calcium acetatesolution. The concentration of hydroxide ion required to just initiate precipitation is M. 3. Solid aluminum nitrate is slowly added to 50.0 mL of a 0.0350...
What volume of 0.1356 sodium hydroxide is required to titrate 25.0 mL of 0.042 M sulfuric acid?
What volume of 0.114 M HCl is needed to titrate 25.0 mL of 0.172 M pyridine (C5H5N) to its equivalence point? For pyridine, pKb = 8.77.
A. How many mL of a 0.118 M solution of KMnO4 are needed to titrate 20.0 mL of 0.214 M solution of sodium oxalate, Na2C2O4? The net ionic equation is 2MnO4-(aq) + 5C2O42-(aq) +16H+(aq) → 2Mn2+(aq) + 10CO2(g) + 8H2O(l) B. In which of the following compounds can an element highlighted in red act as an oxidizing agent? CaH2, CH4, NH3, ClO2, H2O
2. Calculate the mass of solid sodium hydroxide needed to prepare 300 mL of 0.1 M sodium hydroxide. Note: Be sure to include this mass in the procedure for Part C. 3. A 0.6250 g sample of KHP (204.2 g/mol), dissolved in 50 mL water, required 28.50 mL of sodium hydroxide to reach the end point. What is the concentration of the sodium hydroxide solution? 4. A 25.00 mL sample of hydrochloric acid was titrated using the same sodium hydroxide...
A student adds 50.0 mL of H2O to 25.0 mL of 0.881 M Ca(OH)2. a) what is the concentration of Ca 2+ in the diluted solution? b) What is the concentration of hydroxide ion in the diluted solution? So far I have solved for the concentration of H2O M1V1 = M2V2 --> M(50.0) = 25.0(.881) M1= 0.441 M H2O I just do not know where to go from there.
What volume of 0.175 M solution of KOH is needed to titrate 30.0 mL of 0.200 M H2SO4? If 79.5 mL of an aqueous solution of perchloric acid is needed to neutralize 50.0 mL of a 0.0750 M aqueous solution of barium hydroxide in a titration, what is the pH of the original perchloric acid solution solution?
titration:
2. If 45.0 mL of 1.50 M Ca(OH)2 are needed to neutralize 25.0 mL of HI of unknown concentration, what is the molarity of the HI? How many mL of 0.100 M NaOH are needed to titrate 20.0 mL of 0.100 M H2SO4?
By titration, it is found that 17.7 mL of 0.187 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution. HCl concentration: _______ M