Chemistry, 22.08.2020 21:01 smcardenas02
Describe the preparation of 40 liters of 0.02M phosphate buffer., PH 6.9, starting from:
a. A 2M H3PO4 solution and a 1M KOH solution.
b. 1 M solution of KH2PO4 and NA2HPO4.
c. solid Na3Po4 and 1M HCL
Answers: 3
Chemistry, 22.06.2019 01:30
Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j
Answers: 2
Chemistry, 22.06.2019 22:30
Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
Answers: 1
Describe the preparation of 40 liters of 0.02M phosphate buffer., PH 6.9, starting from:
a. A 2M H3...
Mathematics, 09.03.2022 16:50
Geography, 09.03.2022 16:50
Mathematics, 09.03.2022 16:50
Mathematics, 09.03.2022 16:50
Biology, 09.03.2022 16:50
History, 09.03.2022 17:00
Mathematics, 09.03.2022 17:00
Mathematics, 09.03.2022 17:00
Computers and Technology, 09.03.2022 17:00
Mathematics, 09.03.2022 17:00
English, 09.03.2022 17:00