Chemistry, 18.07.2019 23:30 kalialee2424
How many grams of nahco3 (fm 84.01 g/mol) should be mixed with na2co3 to produce a 1.00 l buffer solution with ph 9.50. the final concentration of na2co3 in this solution is 0.10 m. pka1 = 6.37 and pka2 = 10.33 for h2co3.
Answers: 3
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Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)
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Chemistry, 21.06.2019 23:00
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
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Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution
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How many grams of nahco3 (fm 84.01 g/mol) should be mixed with na2co3 to produce a 1.00 l buffer sol...
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