As a technician in a large pharmaceutical research firm, you need to produce 450. ml of 1.00 m potassium phosphate buffer solution of ph = 6.97. the pka of h2po4− is 7.21. you have the following supplies: 2.00 l of 1.00 m kh2po4 stock solution, 1.50 l of 1.00 m k2hpo4 stock solution, and a carboy of pure distilled h2o. how much 1.00 m kh2po4 will you need to make this solution? express your answer to three significant digits with the appropriate units.
Answers: 1
Chemistry, 22.06.2019 10:10
How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
Answers: 1
Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
Chemistry, 22.06.2019 20:20
Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
Answers: 1
As a technician in a large pharmaceutical research firm, you need to produce 450. ml of 1.00 m potas...
Law, 17.07.2020 19:01
Mathematics, 17.07.2020 19:01
Chemistry, 17.07.2020 19:01
Computers and Technology, 17.07.2020 19:01
Mathematics, 17.07.2020 19:01
Mathematics, 17.07.2020 19:01