Titrant - Study guides, Class notes & Summaries

Chem 210 Exam 4 study guide. what is an acid base titration curve? a plot of pH versus volume of titrant added What are some examples of polyatomic cations NH4+, H3O+ what are some examples of polyatomic anions CH3COO-, CN-, OH-, CIO3-, NO2-, NO3-, MnO4-, CO3-2, CrO42-, Cr2O7-2, O-2, SO4-2, PO4-3

4.3 Laboratory Report: Titration Neutralize an Acid Lake ContaminationI. Objectives • Assemble the apparatus required for titration • Describe the function of each part of the titration apparatus • Explain the general steps of a colorimetric acid-base titration and its uses • Perform a titration experiment • Describe the role of the 3 main reagents used in a titration: sample, titrant, and indicator • Explain what is the endpoint of titration and the role of the indicator •...

A complete list of the products of cellular respiration: - ️️CO2, H2O and energy. A metabolic process by which cells secure energy from various compounds is - ️️Cellular respiration. Which process is the most efficient? - ️️Cellular respiration. A pathway used by animal cells in oxygen deficient conditions is - ️️lactate fermentation. What is the pH indicator we will use in this experiment? - ️️phenolphthalein A complete list of reactants in cellular respiratio...

A1/C1 = A2/C2 - absorbance of solution 1 divided by concentration 1 is equal to the absorbance of solution 2 divided by concentration of solution 2 Amphiprotic - Can either accept or donate a proton, water is amphiprotic, can turn into H30+ or OHBeers Law - Absorbance = molar absorptivity x path length x concentration of absorber Br and Cl have a ___ O.N unless paired with which 2 elements? - -1 O.N, unless paired with Oxygen or Fluorine Bronsted-Lowry acid - proton donor Bronsted-Lowry b...

Levelling Effect correct answer: the inability of a solvent to differentiate amongst the relative strength of all acids OH- correct answer: the strongest base possible H3O+ correct answer: the strongest acid possible Differentiating effect correct answer: the ability of a solvent to differentiate among the relative strengths of all acids Common Ion Effect correct answer: the shift in equilibrium caused by the addition of a compound having an ion in common with the dissolved subs...

CWEA Grade I Laboratory Analyst, questions and answers 2023 Chloride - Major anion found in many natural waters - Can impart salty taste in H2O What increases concentration of chloride in wastewater Chloride in human diet and softeners flushed into sanitary sewer system 2 most prevalent methods of measuring chloride argentometric and mercuric nitrate Argentometric Titration of sample with standard solution of silver nitrate (AgNO3) - Indicator: Chromate ions (CrO4) -...

Chemistry Lab Exam Questions Correctly Answered. KHP is considered a - CORRECT ANSWER Primary standard because the solid compound is stable in air and can be massed accurately What is true about KHP? - CORRECT ANSWER A. It is also known as potassium hydrogen phthalate B. It is also known as potassium biphthalate C. It is also known as potassium acid phthalate It is noted in the experimental procedure that solid sodium hydroxide pellets are deliquescent. This refers to - CORRECT AN...

Analytical Balance - 5 sig figs or 4 if unstable and a line over the 4th digit Thermometer - Three sig figs (20.5) graduated cylinder (50mL) - 3 Sig Figs (50.2) Graduated Cylinder (10mL) - 4 sig figs (10.25) volumetric flask - 5 sig figs Buret - 4 sig figs (27.22) Pipet - 4 sig figs (.02500L) adding and subtracting sig figs - least number of decimal places added or subtracted - 12.2 + 5.44 = 17.6 multiplying or dividing sig figs - the least number is the number of sig figs you can have ...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

Chem 210 Exam 4 study guide. what is an acid base titration curve? a plot of pH versus volume of titrant added What are some examples of polyatomic cations NH4+, H3O+ what are some examples of polyatomic anions CH3COO-, CN-, OH-, CIO3-, NO2-, NO3-, MnO4-, CO3-2, CrO42-, Cr2O7-2, O-2, SO4-2, PO4-3 adding a common ion ___ solubility decreases oxidation is ____ loss of electrons reduction is ____ gain of electrons General rules for assigning oxidation number As E cell becomes more p...