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- Conclusion Question: (1) Name three possible errors that could have influenced the calculated molarity in this laboratory experiment: (2)How can titrations be used in the real world?QUESTION 19 What is the concentration (M) of CH3OH in a solution prepared by dissolving 11.8 g of CH3OH in sufficient water to give exactly 231 mL of solution? a 11.9 b 1.59 c 0.0841 d 11.9 × 10-3 e 1.59 × 10-3Question 1. what volume must 40.0ml of 0.400 M zinc nitrate solution be diluted to be able to form a lower concentration of zinc nitrate to 0.100M?
- Other than Copper (ii) sulfate and Cobalt (ii) chloride test, what's another method to test for the presence of water?What is the concentration of F— ions when 483.544 mg of MgF2 (62.3018 g/mol) completely dissociates in 2.061 L of water? Enter the numeric answer only in the units of mM (millimolar). Do not enter the unit.Please shoe complete solution and express answers up to 4th decimal place. thank you. In the preparation of aspirin, 6 grams of salicylic acid was made to react with acetic anhydride forming 4 grams of aspirin. (a.) calculate the % yield of aspirin (b.) calculate the amount of sodium salt of aspirin obtained from the preparation.
- Recall experiment "Empirical formula of zinc chloride": the experimental protocol requires that only distilled water be used in preparation of all solutions and cleaning the glassware. What would be the effect of using tap water instead of distilled water on the determined mass of calcium in a titrated sample?TOPIC: Stoichiometric Calculations Note: (Please show the complete handwritten solution.) 1.) How many moles of NaCl are present in 350mL of a 2M solution? 2.) How many millimoles of NaCl are present in 75mL of a 0.025M solution? 3.) You have a 250mM stock of Tris. What volume of this stock solution should be added to water to prepare 500mL of 7.5mM Tris?Question: To prepare a new sample from a stock solution, a student pipets 25.00 mL of 1.063 M NaOH solution into an empty 500.0 mL volumetric flask, and then fills the volumetric flask to the line with deionized water. What is the molar concentration of the new solution? I need help with putting the numbers into the formula for this, then I should be able to solve it. Thanks.
- Question 35 The presence of which of the following ions always leads to the formation of soluble ionic compounds? Group of answer choices sulfide hydroxide iron nitrate More than one of these answers is correctQUESTION The molarity of a solution prepared by dissolving 1.248 moles of HCl in 0.865 liters of solution is: a 1.25 M b 0.693 M c 1.44 M d 0.865 MQuestion: - Consider the following data for the titration of a vinegar solution by sodium hydroxide (NaOH) * Equation of the reaction: NaOH + CH3CO2H -> CH3CO2Na + NaCl * Initial NaOH level in a burette: 12.7 mL * Final NaOH level in the burette: (2.33x10^1) mL * Molarity of the NaOH solution: (4.3130x10^-1) mol/L * Volume of vinegar solution titrated: 10.0 mL Whaht is the molarity of the vinegar solution titrated?