Determine the numbers of grams of sodium acetate
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?
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Vaporization of 255.0 mg of the compound in a 160-mL bulb at190 degrees C gives a pressure of 435.0 torr. An analysis is performed on an organic liquid with a fishy odor. Calculate the molar mass of this compound?
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
At 762.0 torr a mouse is placed in a sealed chamber with air. This chamber is equipped with the enough solid KOH to absorb any H2O and CO2 formed by the mouse.
At 4.2 K the Liquid helium has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 99K and 2.0 atm pressure is sealed off.
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.
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.
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