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Question: A 29.00 mL sample of an unknown H3PO4 solution is titrated with a 0.110 M NaOH solution. The equivalence point is reached when 24.53 mL of NaOH solution is added.
Part A
What is the concentration of the unknown H3PO4 solution? The neutralization reaction is H3PO4(aq) + 3NaOH(aq) → 3H2O(l) + Na3PO4(aq)
What would the pH change be if this same amount of 1.000 M HCl were put into a gallon of pure water?
Explain how can you distinguish between the pairs of the following isomers using spectroscopic methods (IR or NMR)
what is the class and subclass of fes cuso4 rarr feso4aq cus ? i believe it is double replacement but would it be
solution of an unknown monoprotic acid with 23.68 mL of .9721 M NaOH results in a solution pH of 3.74 Calculate the Ka of the acid.
Calculate the average translational kinetic energy (sometimes just called average kinetic energy) for one mole of gas at 385 K.
A student calibrates his/her calorimeter. S/he performs part 1 as instructed. The data are: 99.4 g water at 36.0°C are added to 98.0 g water in the calorimeter at 16.0°C.
The enthalpy of vaporization of water at 373 K and 1 bar is 40.7 kJ/mol and the molar heat capacities are 75.3 J/(mol K) for liquid and 33.6 J/(mol K) for gaseous water. Find the enthalpy of vaporization of water at 273 K and 1 bar.
Restricting yourself to straight-chain (unbranched) compounds, draw the structures of the possible constitutional isomers of pentene. There are two "variables" -- the position of the double bond; and cis/trans isomerization at that double bond.
100 g of copper Cp=0.38 J/qdeg AT A temperature of 100c is added. To 25 g h2o cp =4.184. qdeg at a temperature of 20 c calculate equilibrium
A mixture of gases contains 10.20g of N2 , 1.80g of H2, and 8.15 of NH3 . The total pressure of the mixture is 1.90atm. What is the partial pressure of N2? What is the partial pressure of H2. What is the partial pressure of NH3.
At 700 K the equilibrium constant for the reaction CCl4(g) C(s) + 2 Cl2(g) is Kp = 0.76. A flask is charged with 2.00 atm CCl4, which then reaches equilibrium at 700 K.
2-butene-1-thiols is one component of skunk spray. How whould you synthesize this substance from methyl 2-buenoate? From 1,3-butadiene
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