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1) 10 mL of 0.05 M amino acid (Ka1=4.69x10^-3 and Ka2=1.79x10^-10) is titrated with 0.05 M HCl. Sketch a titration curve. (there's no need to actually sketch the curve; I just need to calculate the pH values needed to sketch a curve)
2) What if the HCl was 0.1 M?
3) What if the amino acid was 0.1 M?
What is the approximate mass percent of cholesterol in a blood sample having a cholesterol level of 176? Why can you not give a more precise answer
the compund TNT decomposes explosively into carbon, carbon monoxide, hydrogen,and nitrogen. what volume of hydrogen and nitrogen are produced if 5.8 L of CO is produced?
How old is a bottle of wine if the tritium (3H) content is 25% that of a new wine? The half-life of tritium is 12.5 years.
Sketch a graph of the van Deemter equation (plate height vs. linear flow rate). What would the curve look like if the mutliple path term were 0? If the longitudinal diffusion term were 0? If the finite equilibration time term were 0?
If 3.25 L of ammonia react with an excess of oxygen to form nitrogen monoxide and water steam, what volume of water steam will be produced? The pressure and temperature stay constant. A. 2.04 L B. 2.17 L C. 3.33 L D. 4.14 L E. 4.88 L e is righ one
A series of chemicals were added to some AgNO3(aq). NaCl(aq) was added first to the silver nitrate solution with the end result shown below in test tube 1, NH3(aq) was then added with the end result shown in test tube 2, and HNO3(aq) was added las..
Find the limiting reagent in this solution. b) Calculate the theoretical yield of water. c) Calculate the percent yield of water
An unknown gas is held in 2 separate containers with identical number of moles of gas. The volume of container 2 is 0.347 L and has a pressure of 0.315 atm. The volume of container 1 is 1.145 L. What is the pressure of the unknown gas in container..
How much heat is released when 25mL of 0.10 M NaOH reacts with 50 mL of 0.10 M HCl?
Write a balanced equation to show the polymerisation of the molecule CF2CF2. Show two repeat units of the polymer.
You have a stock concentration of 3M acid and need a working concentration of 250mM in 100mL solution. What volume of the stock solution would you need
What is the sum of the H-X-H bond angles (in degrees) in the following hydrides. BeH2, BH3, CH4 Calculate the bond angle for each molecule and add the three values to get your final answer.
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