Chemistry

Chemistry, 08.10.2019 01:00, jessejames48

Calculate the mass of solid ammonium chloride required to mix with 100 ml of 1.0m ammonia to prepare a 9.25 ph buffer

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Chemistry, 08.08.2019 05:20, eden1017

8. the following question is seen in your lab manual under pre-lab exercise. you will prepare two acidic buffer solutions (hc,h,o,/ nac,h0) of the same ph (ph-4), but different concentrations of the components, use the henderson-hasselbalch equation to perform the following calculations the k, of acetic acid is 1.8 x 10%. review your calculations with your instructor before preparing the buffer solutions buffer a: calculate the mass of solid sodium acetate, nac h,o required to mix with 100.0 ml of 0.im acetic acid, hc,h,0, to prepare a ph 4 buffer. record the mass in your data table. buffer b: calculate the mass of solid sodium acetate, nac2h,o required to mix with 100.0 ml of 1.0m acetic acid, hc2h o to prepare a ph 4 buffer. record the mass in your data table.

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Chemistry, 09.08.2019 23:30, rosanaboyd7

Calculate the number of grams of ammonium chloride that must be added to 2.00 l of a 0.500 m ammonia solution to obtain a buffer of ph = 9.20. assume the volume of the solution does not change as the solid is added. kb for ammonia is 1.80×10−5.

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Chemistry, 30.08.2019 21:30, lifeisgaming37

How many grams of solid ammonium chloride should be added to 2.00 l of a 0.273 m ammonia solution to prepare a buffer with a ph of 10.150 ? grams ammonium chloride = g. ka = 1.8ã10-5

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