Calculate the percentage of hso that is ionized
The pH of a sample of rain is found to be 4.0. Calculate the percentage of HSO4- that is ionized in this sample, given that the acid dissociation constant for the second stage of ionization of H2SO4 is 1.2E-2.
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A titration to determine the Ksp of MgCO3 is done by adding 0.030M MgCl2 to 50.0mL of 0.010M Na2CO3. The titration requires 10.50mL to observe the first visible precipitate. Calculate the solubility product of MgCO3 from this data. Show Work.
Explain why your awareness of both the limits of everyday reasoning and the methods of psychological research would lead you to disagree with your friend's assertion.
A copper-bottomed kettle, its bottom 24 cm in diameter and 3.0 mm thick, sits on a burner. The kettle holds boiling water, and energy flows into the water from the kettle bottom at 800 W. What is the temperature of the bottom surface of the kettle
Discuss the different categories that can be used for sensitive information. When designing a system, how do you determine how many categories are necessary? Are there downsides to systems with too many or too few categories?
Calculate the percentage of HSO4- that is ionized in this sample, given that the acid dissociation constant for the second stage of ionization of H2SO4 is 1.2E-2.
A car starts from rest moving w constant acceleration of 2.0 m/s2 for 10s, then travels w constant speed for another 10s, and slows to a stop w constant acceleraton of -2.0 m/s2. how far does it travel?
Calculate the percentages of dissociated and undissociated forms present in the following solutions: A) 0.0010 M glycolic acid (HOCH2CO2H; pka = 3.83) at pH = 4.50
The leg and cast in the figure below weigh 210 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 125 N. Determine the weight w2 and the angle α needed so that no force is exerted on the hi
Buffer capacity relates to the concentration of acid/conjugate base present. How is the relative buffer capacity to absorb H+ and OH- for the 1:1 and the 3:1 acidic and basic buffers?
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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