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Problem- Explain why phenolphthalein is a good indicator for the titration of HCl with NaOH but not for NaOH with HCl?
It is not a question in the book, so I just need the full solution of deriving
Consider the titration of 30.0 of 0.035 with 0.030 . Calculate the after the following volumes of titrant have been added.
a pentapeptide is composed of ala cys lys phe and ser. nh2-terminal analysis of the peptide revealed pth-serine.
Density of aluminum is 2.7 g/cm^3 or 2.7 g/ml.How heavy (in grams) would be the coke can be instead of soda it would be filled in with aluminum. volume of a soda can is 303 ml
zinc citrate zn3c6h5o72is an ingredient in toothpaste. it is synthesized by the reactionof zinc carbonate with citric
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
he reduction table in your notes, calculate the standard cell potential for the following reactions. 2 Al3+(aq) + 3 Pb(s) 2 Al(s) + 3 Pb2+(aq)
Butyric acid (a monoprotic acid) is responsible for the foul smell of rancid butter. the pKa of butyric acid is 4.84. calculate the pH of a 0.05M sloution of sodium butyrate
Sodium carbonate reacts with hydrochloric acid as shown below in an unbalanced chemical equation. What mass of CO2 is produced from the reaction of 2.94g Na2CO3 with excess HCL
How many grams sodium chloride (NaCl) should be used in preparing 24 L of a solution containing 150 mEq/L. (atomic wt of sodium is 23, atomic wt of chloride is 35.5)
what affect would each of the following changes in procedure have had on the calculated percentage of fat found for
Ea for a certain biological reaction is 50 kJ/mol, by what factor ( how many times) will the rate of this reaction increase when body temperature increases from 37 C (normal ) to 40 C (fewer)
a sample of pure caco3 weighing 0.2500g is dissolved in hydrochloric acid and the solution diluted to 250.0ml in a
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