Using the attached label, please explain using calculations and figures (e.g., b

Question

Using the attached label, please explain using calculations and figures (e.g., beakers, volumetric flasks, etc) how you would prepare a 1.0 mM solution of PAMAM Dendrimer in water. (Please note that your PAMAM Dendrimer solution comes devolved in methanol.)

IN n 4G 20% 4:41 PM LTE /catalog/pr 12 www.sigmaaldrich.com USA Home 412449-PAMAM dendrimer, ethylenediamine core, generation 40 oolution 412419 ALDRICH PAMAM dendrimer, ethylenediamine core, generation 4.0 solution 0 wt, in SDS CAS Number 163442-6719 Linear Formula INH2OCH22NH2 (G 4bdendri PAMAM (NH2leM Molecular Weight 14214.17 POPULAR DOCUMENTS: SPECIFICATION SHEET (PDF) Purchase Safety & Documentation Protocols & Articles Related Products Peer-Reviewed Papers Price and Availability Properties Related Cate Surface Groups, Dendrimers, Materials Sc omaterials, PAMAM Dendrimers More. Available to ship SW17. FROM 228.50 description mino surface groups 0 wt. ethanol Available to ship SW17. FROM 694.00 generation 4.0 type ethylenediami RADO 0 wt, in methanol concentration no surface Groups Personalized Product Recommendations retractive inde n20/D 1.348 Show More Description 412422 536709 PAMAM dendrimer ethylenediamine PAMAM dendrimer, ethyle Application core, generation 3.0 sol core generation 5.0soluti 20 wt in methanol 5 wt. in methanol Used in MRI contrast agents Used in the condensation formation of silica nanospheres.12] Packaging 2.5, 10 gin glass bottle Legal nformation Manufactured by Dendritech®, Inc. Dendritech is a registered trademark of Dendritech, Inc. Physical form Contains 64 surface primary amino groups Customers Also Viewed 6191 536700 412422 PAMAM dendrime, PAMAM Dendrimer Kit PAMAM dendrimer, PAMAMDendri PAMAM dendrimer diaminobutane core. 4-7 ethylene diamine core. generations 0-3 generation generation 50 solution generation 30 solution 5 wt. in 200 wit, in

Explanation / Answer

We can prepare a solution of required concentration by following formula

M = (m/Molar Mass) X (1000/V) =====1)

M = molarity, m = mass of the substance required to be dissolved. And V = volume of solution

M = 1.0 mM = 10-3M, let volume of solution (V) to be prepared = 1000mL (1L) we have

1.0X 0-3M = (m/Molar Mass) X (1000/1000)

m = 1.0X 0-3M X Molar mass

NOTE: Calculate the value of m (mass of PAMAM) from above equation and dissolve in 1L of water, we will end up with 1L of PAMAM solution with concentration equal to 1.0mM. we can not calculate m since Molar mass of PAMAM is not given by you. See the molar mass on reagent bottle and insert in equation (2) to calculate m.

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