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a solution containing 27.33 ml of a 0.1234 M Na2CO3 solution is mixed with 22.33ml of a 0.1212M H2CO3. What is the pH of the final solution mixture? KA1=6.2x10^7 KA2=4.4x-^-11
b. if you diluted to 100ml would the pH change and why?
c. what would the new pH be?
What is the final temperature in a squeezed cold pack that contains 50.0 g of NH4NO3 dissolved in 135 mL of water?
A chemist dissolves 0.099 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 36.1-mL sample of this solution
Give the complete, step-wise mechanism for the acid catalyzed dehydration of 2-methyl-1-butanol. Account for the formation of all products
A solid brick of dry ice (CO2) weighs 0.75 kg. Once the brick has fully sublimated into CO2 gas, what would be the volume of solid brick at STP.
If the gas is at 24 degrees Celsius and 1.0 atm, what mass of helium is in the blimp?
assuming that the gas behaes ideally. Then repeat the calculation by using the van der Waals equation
When 31.7mL of 0.235M Potassium hydroxide is required to completely neutralize 26.0mL of a HC 2 H 3 O 2 solution, calculate the molarity of the acetic acid solution.
What is the concentration of vinegar in moles per liter of solution (molarity, M)?
The reaction for the decomposition of dinitrogen pentoxide to form nitrogen dioxide and oxygen gas has the rate constant 1.7 x 10-3 s-1. This is a first order reaction.
In a seperate trial the student puts 214 mL of the same liquid into the same flask at the same conditions. What will the pressure measure (in kPa) in the second trial?
Draw a flow sheet to show how you would separate the components of a mixture containing an acid substance, toluic acid; a basic substance, p-bromo-aniling and a neutral substance, anthracene.
A beaker with 120 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.50 mL of a 0.250 M HCl solution to the beaker. How much will the pH..
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