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Suppose that lysine is dissolved into a buffer to a concluding concentration of 1 mM. Into this buffer, 80 percent of the lysine's side-chain amines are protonated. Define how you could construct 500 mL of a 1.0 M buffer at this pH by using your option of the given reagents:
Totally-protonated glycine (i.e., the "free acid" type), MM = 76 g/mol, into dry solid sodium salt of completly-deprotonated glycine, MM = 97 g/mol, into dry solid HCl, MM = 36.5 g/mol, within solution at 14.5 MNaOH, MM = 40 g/mol, into dry solid water
Evaluate the provide masses and volumes of every reagent you selected, as suitable.
Ans:
[HGly] = 0.286 M
[Gly-] = 0.714 M
Electronic configuration of deuterium atom is: (1) 1s 1 (2) 2s 2 (3) 2s 1 (4) 1s 2 Ans: 1s 1
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Analysis show that nickel oxide has formulla ni .98 O 1.00 what fraction of the of nickel exist as ni+3 & Ni +2 Ans) ni+2=95.91 and ni+3=4.09
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energy order of octahedral, tetrahdral, squareplaner.
why do transition metals form complex salts
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