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 h2po4β 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, 21.06.2019 23:00
Why are the trends and exceptions to the trends in ionization energy observed?
Answers: 1
Chemistry, 22.06.2019 15:30
The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe
Answers: 1
Chemistry, 22.06.2019 19:10
Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m
Answers: 1
Chemistry, 23.06.2019 03:30
If 2 molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product, then what is the representation of the reaction?
Answers: 1
As a technician in a large pharmaceutical research firm, you need to produce 450. ml of 1.00 m potas...
History, 28.06.2019 20:30
English, 28.06.2019 20:30
Biology, 28.06.2019 20:30
English, 28.06.2019 20:30
English, 28.06.2019 20:30
Mathematics, 28.06.2019 20:30
Mathematics, 28.06.2019 20:30
Mathematics, 28.06.2019 20:30
Mathematics, 28.06.2019 20:30
Mathematics, 28.06.2019 20:30
Mathematics, 28.06.2019 20:30
Mathematics, 28.06.2019 20:30