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Problem- 25.00g of a salt with molar mass 175.00g/mol is dissolved in 385g of acetic acid. The boiling point of the solution is 119.5oC. The boiling point of pure acetic acid is 118.1oC and kb (acetic acid)=3.07oC/m. What is the vant Hoff factor(i) of the salt?
Please show me how work it out above problem
The order of skunks is caused by chemical compounds called thiols. These compounds, of which butanethiol(C4H10S) is a representative example, can be deodorized by reaction with household bleech (NaOCl) according to the following equition:
what is the PKa for the acid HA if a solution of 0.65 m and 0.85 M NaA has a PH 4.75
A cook wants to heat 1.89 kg of water from 31.0 C to 100.0 C If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn? Natural gas produces 49.3 kJ of heat per gram. (For the sake ..
Presume a student used 1.0mL of 2-methylcyclohexanol and 2mL of phosphoric acid in a dehydration reaction. After purification of the reaction product, 0.484 g of a mixture of alkenes was isolated. Explain what is the percentage yield of the dehy..
If you titrate 1.0 g of H2O2 solution (30wt%) with KMnO4, 25.05 ml of this KMnO4 solution is used. What is the molarity of KMnO4?
Draw the Newman projection for the most stable conformation of (2R,3S)-2,3-dichloropentane.
How to determine the real pH of 1M of H2SO4 if the first Ka is strong and the second Ka is 1.2*10^-2
What amount of energy in Joules is necessary to melt a 14.5 gram piece of ice at 0 C to form liquid water at the same temperature 0? heat of fusion of water is 6.01 kJ/mol or 333 J/g
State whether or not each of the following equilibrium reactions could have the equilibrium expression.
Classify the solid state of the following substances as ionic crystals, covalent crystals, molecular crystals or metallic crystals: (a) CO2 (b) B12 (c) S8 (d) KBr (e) Mg (f) SiO2 (g) LiCl (h) Cr
The half-life of a first order decomposition reaction is 2.36 hours. If the initial concentration of reactant is 0.52M, what is the concentration of reactant after 752 seconds
What is the density of an object that has a volume of 4.5 L and a mass of 54.0 grams? choose one below: 0.083 g/L 12 g/L 1.2 g/L 12 g/mL 83 g/L
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