Cliffs AP Chemistry, 3rd Edition
Experiment 4: Determination of Molecular Mass by Freezing-Point Depression Background: If a nonvolatile solid is dissolved in a ...
Figure 2: Freezing Point Graph for Pure Solvent and for Solution Scenario:A student set up an apparatus to determine the molecul ...
Figure 4 Figure 5 Analysis: What was the freezing point of the solution? The intersection of the two lines occurred at approxim ...
Experiment 5: Determination of the Molar Volume of a Gas Background: Avogadro’s law (V 1 n 2 = V 2 n 1 ), where moles, n MW gram ...
Analysis: Given that 1.00 m of the pure Mg ribbon weighs 0.816 g, determine the mass of Mg used in the experiment. . . .. .. c ...
Experiment 6: Standardization of a Solution Using a Primary Standard and Experiment 7: Determination of Concentration by Acid-Ba ...
If a graph is drawn of pH versus mL of NaOH added, there will be a significant change in pH in the vicinity of the equivalence p ...
and results in two separate equilibrium expressions: [] K [][] HA HO HA a1=^32 +- [] K [][] HA HO A a2^3 2 = - +- Figure 2 Scena ...
Figure 3 Ka= 10–pKa= 10–5= 1 × 10 –5 K A HA OH H H K K A OH A W 2 ===- : + _ ^ _ _ _ _ _ i h i i i i i K OH KA A ...
Since H+from the acid reacts in a 1:1 mole ratio with OH–, the number of moles of H+fur- nished by the acid must also be 0.00393 ...
Experiment 8: Determination of Concentration by Oxidation-Reduction Titration and an Actual Student Lab Write-Up* Background: Co ...
Scenario:A student diluted 50.00 mL of a commercial bleach to 250.00 mL in a volumetric flask and then titrated a 20. mL aliquot ...
Calculate the cost of 100. g of the commercial bleach. $. $. .. .. .. .. g comm bleach g comm bleach gal comm bleach gal comm ...
A Sample Lab Report I. Determining The Percent Sodium Hypochlorite in Commercial Bleaching Solutions II. Date:1/22/98 III. Purpo ...
VII. Calculations: Determination (1)Clorox (2)Hughes Density of commercial bleaching solution, g⋅mL–1 1.0041 1 .0945 (1) . densi ...
Determination (1)Clorox (2)Hughes Mean percent NaOCl in commercial bleaching solution, % .%.%.% 2 12 2 __ii+ = 9267 +1 423 =1 17 ...
Post-Lab: Graduated cylinders are not as precisely calibrated as burets or volumetric pipets. Briefly explain why it is accepta ...
Based on your titration data and calculations for determination 1: (1) Calculate the volume of Na 2 S 2 O 3 solution required h ...
Experiment 9: Determination of Mass and Mole Relationship in a Chemical Reaction Background: This experiment uses the concept of ...
Analysis: Write the net ionic equations involved in this experiment. 44 OCl-]]]]aqgggg++S O 232 - aq 2 OH--aq " 2 SO 42 - ()aq ...
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