Chemistry, 14.11.2019 23:31 aprilreneeclaroxob0c
Iminodiacetic acid (ida) is often used in ion exchange resins as a way to remove heavy metals from industrial waste waters. it forms a 2: 1 complex with many heavy metals, with a high selectivity for divalent over monovalent ions. a 47.00 ml sample of 0.0724 m ni2+ was added to 47.00 ml of 0.179 m iminodiacetic acid (the completely protonated form is abbreviated as h3at) buffered at ph 7.00. given that α 2 is 4.6 x 10-3 at ph 7.00, what is the final concentration of ni2+ remaining in solution? ni2+ (aq) +2a2-(aq) 근 nia|-(aq) k,-2.00 x 1014 number m ni
Answers: 3
Chemistry, 21.06.2019 23:30
Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.
Answers: 2
Chemistry, 22.06.2019 00:30
What is the most stable monatomic ion formed from nitrogen
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Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
Iminodiacetic acid (ida) is often used in ion exchange resins as a way to remove heavy metals from i...
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