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Given that vinegar is 5% acetic acid by weight, estimate the percentage of vinegar in the foods. Assume that vinegar is 1.05 g/ml.
I'm not sure if this is important, but in my experiment, we found that the molarity of acetic acid (CH3CO2H) in pickle juice is 0.2689M.
starting with 1.342 g Zn and excess HCL, the volume of H2 gas collected was 472 mL. the atmospheric pressure was 754 mmHg and the temperature was 21 degrees C. write a balanced equation and calculate the moles of h2 produced by the reaction.
What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions?
A 10.00 mL sample of the resulting solution is transferred into an Erlenmeyer flask for a titration. How many grams of baking soda are present in the 10.00 mL sample?
Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.
if 294 grams of is allowed to react with 176 grams of according to the following unbalanced equation, how many grams of are produced? How many grams of FeS2 and O2 are left?
If the reaction 2 NO(g) + O2(g) ? 2 NO2(g) is carried out at STP, what is the total pressure? What is the temperature at STP
Propose a structure for the compound with the following formula that is consistent with the IR and 1H NMR data shown:
A 0.1276g sample of a monoprotic acid (molar mass = 1.10 x 10^2) was dissolved in 25.0 ml of water and titrated with 0.0633 M NaOH. After 10.0 ml of base had been added
Car manufacturers are developing engines that use H2 as fuel. In locations where hydroelectric plants produce inexpensive electric power, the H2 can be made industrially by the electrolysis of water.
The extent of fragmentation for ionic compounds can be derived by comparing the molality expected if no dissociation with what is actually obtained from experiment.
A 25 ml sample of .10M sodium acetate is titrated with .10M HCl. What is the pH after the addition of 35ml of HCl. (Kb of CH3CO2=5.6e-10)
How would you demonstrate that phosphoglycerate mutase uses an enzyme bound phosphate
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