How many milliliters of (5.1100x10^0) mol/L NaOH solution are needed to neutralize (5.600x10^1) mL of (4.07x10^0) mol/L HCI? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer x10

Use the solutions listed to answer the questions that follow. A. 50. mL of 0.50 M NH3 (Kb = 1.8 x 10-5) B. 50. mL of 0.75 M NaOCl C. 50. mL of 0.50 M NaOH D. 50. mL of M 0.50 HCl E. 50. mL of 1.0 M M HOCL (Ka = 3.5 x 10-8) 1. Select the combination(s) of solutions that will produce a buffered solution (select all that apply). 2. Select the combination(s) of solutions that will result in a solution whose pH = 7.

Use the solutions listed to answer the questions that follow. A. 50. mL of 0.50 M NH3 (Kb = 1.8 x 10-5) B. 50. mL of 0.75 M NaOCl C. 50. mL of 0.50 M NaOH D. 50. mL of M 0.50 HCl E. 50. mL of 1.0 M M HOCL (Ka = 3.5 x 10-8) 1. Select the combination(s) of solutions that will produce a buffered solution (select all that apply). Please give me an answer from A through E.

Given chart attached Calculate the number of moles of base (NaOH) required to reach the endpoint

A 15% w/v (NH4)2SO4 standard is needed. How much solute would be needed to make 50 ml?

Calculate the %(m/v) of hydrochloric acid using the molar concentration you found. Shows calculations. Records final answer to correct significant digits. Records the concentration with the appropriate units. The molar concentration I found was 0.1M.

Use the solutions listed to answer the questions that follow. A. 50. mL of 0.50 M NH3 (Kb = 1.8 x 10-5) B. 50. mL of 0.75 M NaOCl C. 50. mL of 0.50 M NaOH D. 50. mL of 0.50 HCl E. 50. mL of 1.0 M M HOCL (Ka = 3.5 x 10-8) 1. Write the equation that represents the chemical reaction occurring when solutions A and D are combined. 2. Select the combination(s) of solutions that will produce a "best buffer solution" with pH = pKa 3. Determine the pH of the solution that results when solutions B and C are combined.

A 20 mL vial contains 202 mg of ammonium chloride. What is the concentration of the solution in mOsm/L? Round answer to one decimal place, do not enter units Cation Formula Valence Formula weight Anion Formula Valence Formula weight Aluminum Al3+ 27 Acetate C,H;O; 1 59 Ammonium NH,+ 1 18 Bicarbonate HCO; 1 61 Calcium Ca2+ 40 Carbonate Co32- 2 60 Ferric Fe3+ 3 56 Chloride Cl- 1 35.5 Ferrous Fe2+ 56 Citrate CH;0,3- 3 189 Lithium Lit 1 7 Gluconate CH110; 1 195 Magnesium Mg2+ 2 24 Hydroxide OH- 1 17 Potassium K+ 39 Lactate CgH;0; 1 89 Sodium Nat 1 23 Phosphate, H,PO, 1 97 monobasic Phosphate HPO,2- 2 96 dibasic Sulfate so,2- 96

Remember that all solutions used in this experiment contain 0.50 M HNO3. What happens to the HNO3 concentration if two 10.0-mL solutions of 0.50 M HNO3 are combined together? Group of answer choices a) the HNO3 conc. stays the same c) the HNO3 conc. is 10-fold diluted b) the HNO3 conc. is 2-fold diluted

What volume of 0.20mol/L acetic acid solution is needed tomake 100ml of 0.015mol/L acetic acid solution?