RayBanMan2017

30.06.2021 • 

Chemistry

To determine whether Gd-daa3 is selective for Zn2 , researchers compared relaxivity measurements of Gd-daa3 in the presence of different cations. Varying amounts of XCl2 (where X is Zn, Ca, or Mg) were added to a 0.1 mM solution of Gd-daa3 plus 10 mM KCl/10 mM HEPES buffer at pH 7.4. What is the most appropriate control for this experiment

Ответ:

anitaabbey27

30.07.2021

Chemistry

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KC +10 mM there u go

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Ответ:

mochoa4

10.02.2022

Chemistry

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I think the answer should be 0.5 A. For light, they have speed of 3*10^8 m/s. And has a rule of c=λ*f. So wavelength λ=0.5*10^-10 m. 1 A = 10^-10 m. So the answer should be 0.5 A.

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