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I did an experiment in the lab called Potentiometric Determination of Fluoride. There is a series of questions that i need help to answer:
1) Explain the effect it would have if no constant ionic strength is maintained when performing potentiometric measurements.
2) A standard solution of NaF 1.00x10-3 M read -0.230V. The solution of an unknown read -0.300V. What is the [F-] in the unknown solution?
3) What is the change in the measurement of the potential if a solution of 1.00x10-3 M NaF is exchanged for another solution of 1.00x10-4 M NaF?
By comparison, what would it cost to heat the home using a ground source heating system with an electrically powered heat pump that has a COP of 5.0?
the compound freon-12 (CCl2F2) is used as a coolant in refrigerators and air conditioners. It is produced through the following reaction: CCl4+SbF3-> CCl2F2+SbCl3. If 15.0 mole of freon-12 are to be produced, what mass of the carbon tetrachloride ..
Based on the functional group(s) present in the two compounds, determine 3 physical properties for each of the two compounds. Using these physical properties determine how each of the two compounds uniquely function in the products in which they ar..
What is the Vmax of this enzyme when enzyme concentration is equal to 0.2mg/mL? I understand the equation to find kcat is: kcat = Vmax/[E]t however,
What is the frequency of a photon emitted from a hydrogen atom when an electron makes a transition
A sample of zinc weighing 2.077 g is dissolved in 2.00 M HCl. What (minimum) volume of HCl is required to dissolve the Zn? (Zn dissolves in HCl to form Zn2+
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA-, A2-) at pH 8.26?
if you have 370 ml of water at 25 degrees Celcius and 130mL of water at 95 degrees C. what is the final temperatue of the mixture?
You are given trhat 0.01 m aqueous solutions of each of the given solution as, C6H12O6, K3PO4, CaCl2 , NaI you jutst need to place the given solutions in order of increasing change in the freezing point of the solution.
How many lone pairs of electrons are there in a molecule of crotononitrile?
What is the chemical balance equation and what causes the color and precipitation?
Compare the relative reactivities of the alkyl halide substrates used in this experiment to both SN1 and SN2 reaction conditions.
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