You are given three solution. 1. A solution containing 0.1M sodium chloride. 2. A...
1. Given powdered sodium sulfate, how will you prepare 100mL of a 1M solution of sodium sulfate? Your solvent is 0.1M acetate Buffer. 2. Given a 1M solution of sodium chloride, how will you prepare 1000uL of 0.2M solution of sodium chloride. 3. Given a 100 mg/mL protein solution, how will you prepare 20uL of a 70 mg/mL protein solution? 4. What is lysozyme and where are they usually found? 5. What is the role of X-crystallography in structure identification?
0.1M barium chloride and 3 M sulfuric acid 5. Reactants Molecular Equation Net lonic Equation Predicted Observation Experimental Observation 6. Reactants Molecular Equation Net Ionic Equation Predicted Observation Experimental 6 M ammonium hydroxide and 3 M sulfuric acid Observation 7. Reactants Molecular Equation Net lonic Equation Predicted Observation Experimental 0.1M copper (II) sulfate and 0.1 M zinc nitrate Observation 8. Reactants Molecular Equation Net lonic Equation Predicted Observation Experimental 0.1M sodium carbonate and 0.1 M calcium chloride Observation 9. Reactants...
You are given a 1 M solution of sodium chloride. How will you prepare 1000 μL of 0.2 M solution of sodium chloride?
You are given a 1 M solution of sodium chloride. How will you prepare 1000 μL of 0.2 M solution of sodium chloride?
a. Assume you are given a water, H2O, solution and told that it contains either hydrochloric acid, HCl or sodium chloride, NaCl. Describe how you could determine which of these is present. b. Assume that you are given a H2O solution that contains either sodium hydroxide, NaOH or sodium chloride, NaCl. Describe how you could determine which is in solution.
22 & 23 please QUESTION 22 Which of the following statement(s) about electrolytes are true? 1. Electrolyte solutions conduct electricity because electrons are freely moving through the solution. 2. Electrolyte solutions conduct electricity because ions are moving through the solution 3. When methanol (CH3OH) is dissolved in water, an electrolytic solution results 4. When sulfuric acid acid is dissolved in water, a conducting solution results 5. If an aqueous solution containing sodium chloride is diluted, the conductivity will go down...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown centained only sulfate ion. Which test would most quickly 3. Consider each set of results below which were carried out on a solution containing either (1)one of the six anions studied in this experiment, or (2) none...
2. 2.500 g of NaHCO, reacts with a solution of hydro sodium chloride. th a solution of hydrochloric acid. Calculate the theoretical yield of
T UI water. Trial Reagent Pair Waste 0.5 M ammonium chloride + 0.5 M sodium hydroxide 5 6 7 8 0.1 M barium chloride + 0.1 M sodium sulfate 0.1 M barium nitrate +0.1 M potassium chromate 0.1 M calcium chloride + 0.1 M sodium carbonate 0.1 M copper (II) nitrate + 0.1 M sodium chloride 0.1 M lead (II) nitrate + 0.1 M potassium iodide 0.1 M magnesium sulfate + 0.1 M potassium hydroxide Mg 2.0 M potassium hydroxide...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown contained only sulfate ion. Which test would most quickly (that is, in the fewest steps) confirm your hypothesis? Explain. Consider each set of results below which were carried out on a solution containing either (1)one of the...