KHP This means that you can calculate its actual molarity by dividing the two - do not forget to convert the volume from milliliters to liters by using the conversion factor, #["NaOH"] = "0.0024973 moles"/(31.70 * 10^(-3)"L") = color(green)(|bar(ul(color(white)(a/a)"0.07878 M"color(white)(a/a)|)))#. Oliver Twist: Characters, Setting, Style, Audience and Diction, On the Sidewalk, Bleeding: Analysis & Theme, Carolyn Meyers White Lilacs: Summary, Conflict, Analysis, President Ronald Reagans John F. Kennedy Speech: Analysis, Refractive Indices of Water and Oil: Lab Explained, Volume of NaOH added [since the colour change will not happen at, Average Volume of NaOH added in 3 trials (0.1 cm. This will be a strong base - weak ac. Donec aliquet. Nam lacinia pulvinar tortor nec facilisis. The grams required can be obtained by multiplying the moles of NaOH by the molecular weight of KHP. Nam lacinia pulvinar tortor nec fague,

ur laoreet. The value of Ka from the titration is 4.6. a) Calculate the concentration of the NaOH solution If the concentration is different, it must be replaced. The volume of \(\ce{H_2SO_4}\) required is smaller than the volume of \(\ce{NaOH}\) because of the two hydrogen ions contributed by each molecule. Nam lacinia pulvinar tortor nec facilisis, cing elit. Only one of the hydrogen atoms in KHP has acidic properties. 1 Digital Balance (up to 2 decimal places accuracy), % Uncertainty of (aq) KHP in Volumetric Flask = (0.1/100) x 100, % Uncertainty of (aq) KHP in Pipette = (0.1/10) x 100. The fat is heated with a known amount of base (usually \(\ce{NaOH}\) or \(\ce{KOH}\)). Lorem ipsum dolor sit amet, consectetur adipiscing elit.dictum vitae odio. moles HCl = moles NaOH Acid-Base Titration Solution Molarity (M) is moles per liter of solution, so you can rewrite the equation to account for molarity and volume: M HCl x volume HCl = M NaOH x volume NaOH Rearrange the equation to isolate the unknown value. Report this using the correct number of significant figures. English 123- 3-4 Assignment Submission- Annotating Your Sources, Marketing Reading-Framework for Marketing Strategy Formation, Recrystallization of Benzoic Acid Lab Report, Tina Jones Heent Interview Completed Shadow Health 1, Essentials of Psychiatric Mental Health Nursing 8e Morgan, Townsend, Entrepreneurship Multiple Choice Questions, Calculus Early Transcendentals 9th Edition by James Stewart, Daniel Clegg, Saleem Watson (z-lib.org), SCS 200 Applied Social Sciences Module 1 Short Answers, Ati-rn-comprehensive-predictor-retake-2019-100-correct-ati-rn-comprehensive-predictor-retake-1 ATI RN COMPREHENSIVE PREDICTOR RETAKE 2019_100% Correct | ATI RN COMPREHENSIVE PREDICTOR RETAKE, 1.1 Functions and Continuity full solutions. The important thing to notice here is that you have a #1:1# mole ratio between the two reactants. This can be found by dividing the molar mass of KHP into the mass of KHP (.568/204-the mass,gram units, cancel and moles remain if you use the dimensional analysis method). b) Determine the molecular mass of the unknown monoprotic acid The percentage uncertainty calculated of the concentration of NaOH was 2.57%, which indicates that the level of precision, although not low, could have been better. . The expected % uncertainty that was expected was 0.500%, and the uncertainty I obtained was 0.503%. What is the exact molarity of the NaOH solution? We confirmed that 0.01692 moles of Aspirin was present. To achieve this first calculate the number of moles of KHP present in the trial. The difference between these sets of data indicates that the systematic error of allowing the KHP solution to become too pale resulted in strange fluctuations. How many moles of NaOH were consumed in this trial? After hydrolysis is complete, the leftover base is titrated to determine how much was needed to hydrolyze the fat sample. The uncertainty of 2.57% indicates that my values were accurate up to within 2.57%. From mole ratio, number of moles of NaOH = 0.00979 mol. Choose an expert and meet online. In this case, you are looking for the concentration of hydrochloric acid (its molarity): Pellentesque dapibus efficitur laoreet.

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