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If A 34 mL sample of HCl was triated with .58 M NaOH. Three drops of phenolphthalein was added to the HCL solution. Suppose the HCl solution changed color after 72mL of NaOH was added. Evaluate the molarity of the HCl Solution.
What volume of a 1.0 M KI solution must be added to 100.0 mL of a solution that is 0.15 M in Pb2+ ion to precipitate all the lead ion. What mass of PbI2 should precipitate.
the vapor pressure of chlorine dioxide clo2 is 155 torr at 22.75 c and 485 torrat 0c. what is the standard enthalpy of
A mass of 47.5 g of H2O(s) at 272 K is dropped into 225g of H2O(l) at 298 K in an insulated container at 1 bar of pressure. Calculate the temperature of the system once equilibrium has been reached.
what would be the effect on this experiment if the student Aceton +benzaldehyde ----> dibenzalacetone a. added half the amount of benzaldehyde?
The pH difference across the membrane of a glass electrode is 6.45. How much voltage is generated by the pH gradient at:25degreesC and 40 degreesC
Find molarity, molality, percentage composition, boiling and freezing point of a solution - What are the boiling and freezing points of the solution?
What is the pH of a solution made by mixing 100.00 mL of .20 M HCl with 50.0 mL of .10 M HCl. Assume that the volumes are additive
If 7.85 x 10 to the 24th power Sc atoms react with excess CaO, how many grams of each product will form? You will need to determine the equation of the reaction.
Which of the following molecules do you think would be subject to the Pauli principle's effects on rotational levels? (Check all that apply) a. methane b. dihydrogen c. HCl d. water e. dinitrogen f. dinitrogen where one atom is isotope 14 and the ..
Consider the two waves, which we will consider to represent two electromagnetic radiations. Wavelength A has a higher frequency (2:1) than the wavelength of B.
Calculate the normal boiling point of Pcl(l). Determine the vapour pressure of PCl3 (l) at 298K.
Calculate the solubility of N2 in water at 25 oC in moles/L if the partial pressure of N2 in the headspace above a water sample is 1.65 atm
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