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suppose that while titrating a vinegar sample with standard NaOH you misread the buret and the calculated NaOH volume is greater than the actual volume used. How will this error influnence the final calculated percentage of acetic acid in the vinegar?
What is the pH of the formic acid solution before you begin titrating? b. What is the pH after 50.0 mL of the potassium hydroxide solution has been added?
Diamonds are measured in carats where 1 carat= 0.200 g. The density of diamond is 3.51 g/cm^3. What is the volume of a 2.50-carat diamond
What is the Keq for a chemical reaction which has Eo of +0.50v and a 3 electron exchange
If you fill the larger tank with oxygen to a pressure of 155atm , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
What amount of HCl gas must be added to 1.00 L of a buffer solution that contains [acetic acid]=2.0M and [acetate]=1.0M in order to produce a solution with pH= 4.16
59.0 ml of an unknown molarity of sodium hydroxide is combined with45.0 ml of 1.40 m magnesium chloride. what is the
If the copper is drawn into wire whose diameter is 8.20 , how many feet of copper can be obtained from the ingot? The density of copper is 8.94.
the equilibrium constant kc for the following reaction is 2.18 106 at 730degc.h2g br2g 2 hbrgstarting with 3.10 moles
sulfate pentahydrate are made into a solution with 512.441 g of water. What is the molality of the copper sulfate solution?
Use Huckel molecular orbital theory to answer the following questions. Express energies as functions of the parameters α and β.
Calculate the minimum concentration of Cr3+ that must be added to 0.095 M NaF in order to initiate a precipitate of chromium(III) fluoride. (For CrF3, Ksp = 6.6 × 10-11.)
in one experiment when the barametric pressure was 741.0 torr the bubble trapped in the inverted graduated cylinder was
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