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Question- The phosphoric acid in a 100.0mL sample cola drink was titrated with 0.1025N NaOH, If the first equivalence point occurred after 13.11mL of base was added, and the second equivalence point occurred after 28.55mL of base calculate: the concentrations of H3PO4, the concentrations of H2PO4 in the cola sample, and how could CO2 interfere with the titration?
I require skilled aid to answer the given problem
Question- 500.0 mL of 0.120 M NaOH is added to 625 mL of 0.200 M weak acid (Ka = 6.95 × 10-5). What is the pH of the resulting buffer. HA(aq)+OH-(aq)-------->H2O(l)+A-(aq)
what is the change in enthropy for this process in kJ/K*mole. The atomic mass of oxygen is 16.00.
The value that should be reported for the number of moles of gas calculated from the ideal gas equation given the following data (R=0.08206L*atm/mol*K, P=76.00cmHg, V=1.000L and t=1degC)is.
The air in a 5.00-L tank has a pressure of 1.20 atm. What is the new pressure, in atm, of the air when the air is placed in tanks that have the following volumes if there is no change in temperature? a) 1.00 L. b) 2500. mL. c) 750. mL. d) 8.0 L.
Please provide a complete mechanism (using arrows and lone pairs) for the synthesis of 2-ethyl-2,4,5-trimethyl-1,3-dioxolane using 2-butanone and 2,3-butanediol in an acidic environment (H2SO4).
Calculate the mass percent of a solution that is prepared by adding 35.9 gram of NaOH to 30.2 g of H2O.
Create an original diagram or series of simple diagrams- Label the primary, secondary, tertiary, and quaternary structures in your diagrams.
How can the function PV/RT be used to show how gases behave nonideally? Negative deviations result from . Positive deviations result from.
How many grams of oxygen gas are needed to react completely with 16.2 moles of hydrogen gas to produce water?
How many unpaired electrons are in the ground state electron configuration for a Cobalt atom
The lid is tightly sealed on a rigid flask containing 3.50L of H2 at 17 degrees C and 0.913 qtm. if the flask is heated to 71 degrees C, what is the pressure in the flask
compounds like rm ccl2f2 are known as chlorofluorocarbons or rm cfcs. these compounds were once widely used as
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