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Chemistry, 23.06.2019 11:50
Achemist needs to prepare a buffer solution of ph 8.80. what molarity of nh3 (pkb = 4.75) is required to produce the buffer solution if the (nh4)2so4 in the solution is 1.8 m?
Answers: 1
Chemistry, 23.06.2019 14:00
Which statement describes the arrhenius interpretation of acids and bases?
Answers: 1
Chemistry, 23.06.2019 16:20
Select the correct answer. what is the wavelength of radio waves? a. between 1 x 10-3 and 1 x 10-1 meters b. less than 1 x 10-11 meters c. more than 1 x 10-1 meters d. between 1 x 10-8 - 4 x 10-7 meters e. between 4 x 10-7 - 7 x 10-7 meters
Answers: 3
Mathematics, 08.09.2020 02:01
Computers and Technology, 08.09.2020 02:01
Mathematics, 08.09.2020 02:01
Chemistry, 08.09.2020 02:01
Mathematics, 08.09.2020 02:01
Mathematics, 08.09.2020 02:01
Mathematics, 08.09.2020 02:01