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Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 9.00 102 mL of solution and then titrate the solution with 0.128 M NaOH.
C6H5CO2H(aq) + OH-(aq) -> C6H5CO2-(aq) + H2O(l looking think)
What are the concentrations of the following ions at the equivalence point?Na+, H3O+, OH-C6H5CO2-
___ M Na+___ M H3O+___ M OH-___ M C6H5CO2-
What is the pH of the solution?
Calculate the change in entropy when 54 ml of hot (95 C) water is added to 90 ml of cold (5 C) water is a closed cup, given that Cp (H2O, l) = 75.5 J/molK
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Displays the volume and pH at which equivalence was reached and plots this point on the graph and validates the code by plotting the midpoint using both methods and displaying the volume and pH for both methods in the Command Window.
calculate the molality, molarity, and mol fraction of HF in a solution made by dissolving 5.0g of HF in 250g of water
For barium flouride Ksp= 2.4 x10^-5 compared to its solubility in pure water, will barium flouride be more soluble, about equally soluble or less soluble in each of the following solutions
A "Nature Valley Trail Mix " chewy granola bar contains 140 calories (Cal). If this energy were to be used to heat up 4.25 L of water at 25 degrees Celsius
Explain what will happen when the Ag/AgCl gel of an ECG electrode used to monitor a patient in the ICU dries
The NaOH catalyst solution is prepared by dissolving 0.4 g of NaOH in 4.0 mL of water then adding 3.0 mL of 95% ethanol. how many moles of NaOH, mL of water and ml of ethanol in 3 mL?
For the reaction of nitrogen monoxide, NO with chlorine, Cl2, 2NO(g) + Cl 2(g) -> 2NOCl(g) ; the observed rate law is : Rate = K[NO]^2 [Cl] What's the reaction order with respect to nitrogen monoxide? With respect to Cl2? What's the overall order?
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