Determine the ph of a solution that is in sodium acetate
Determine the pH of a solution that is 0.210 M in sodium acetate, NaC2H3O2 and 0.120 M in acetic acid , HC2H3O2 The Ka of acetic acid is 1.76 x 10-5.
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Choose and calculate the appropriate descriptive statistics to explain characteristics of sample under study (such as sex distribution, age, and ethnicity) and the anxiety reported by sample at pretreatment, making sure to comprise at least one ex
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Determine the numbers of grams of sodium acetate must be added to 100ml of0.150 M in sodium acetic acid in order to form a solution with a pH of 4.620?
Assume that the distribution of lifetime of product is unknown, but the populition standard deviation is know to be 9 hours. If 9 products are taken randomly as samples, then sample mean would be 100 hours.
When ammonia is formed using the Haber process in which hydrogen and nitrogen combine. N2(g) + 3H2(g) =>2NH3(g) determine the numbers of grams of nitrogen are required to form the 650 grams of ammonia?
A jogger of 85 kg is heading due east at a speed of 2.2 m/s. A jogger of 55 kg is heading 40° north of east at a speed of 3.8 m/s. Determine the magnitude and direction of the sum of momentum of the two joggers.
Calculate the molarity of NH3 in the solution if an aqueous solution contains 4.55%NH3 (ammonia) by mass. The density of the aqueous ammonia is 0.979 g/mL.
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