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Problem- Use the henderson-hasselbalch equation to calculate the pH of a buffer containing .250 M sodium propionate and 0.350 M propionic acid. The Ka of propionic acid is 1.34 *10^-5.
Here is the problem which I am struggling on, please help me!
Assuming the gasoline is pure octane (C8H18), how many liters of CO2 at STP will be produced from the combustion of 1.00 liter of gasoline. (assume the density of gasoline is 0.963 g/ mL).
hematite iron ore weighting 70.7g was placed in a flask whos volume was 53.2ml. the flask with hematite was carefully
Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which demonstrates the type of substituition which occurs. Explain how this mechanism accounts for the relative rate of reactivity for 1 degree, 2 degree and 3 deg..
Why is the concentration of a hygroscopic solid not able to be calculated precisely using its mass and the volume of the solution
What is the molality of a solution formed by dissolving 1.70 mol of KCl in 15.0 mol of water (MM of water = 18.02 g/mol),
By looking at the structure of tetrabutylammonium bromide, explain how this reagent can carry ions from the aqueous phase into the organic phase.
Calculate the apparent degree of dissociation of the NH4Cl if the freezing point of this solution is -15.3OC?(Molal freezing point constant =1.86 0C)
Which of the following compounds have a meso form? 1, 3-dichloropentane 2, 3,-dichloropentane 2, 4-dichloropentane 1, 5-dichloropentane
Explain what mass of NaOh is required to precipitate the Cd+2 ions from 40.0Ml of 0.460M Cd(NO3)2 solution
Question- Calculate the pH of a 0.00750 M lithium cyanate solution, LiCN solution. Ka for Cyanic acid, HCN , is 3.5 × 10-4.
A (n) 8.54 - mol sample of carbon monoxide was stored in a 30.0-l container at 49.9 c . What is the pressure of the carbon monixide in the container.
Calculate the heat energy released when 10.9 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point.
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