How much lead iodide is needed to make 100ml of non-aqueous 1 M solution? Is the method the same for the preparation of solution in water or some organic solvent?
Hi,
You are mentioning two salts PbI2 and PbCl2. In this we have a difference in their molecular weight. Any way to calculate 1M Pb salts, first we have to decide in how much ml we would like to prepare. Whether it is aqueous or organic solvent method is same and the formula is follow as
Molar = wt/GMW * 1000/vol in ml.
I think calculating the molarity is not a problem. PbCl2 is insoluble in DMF at room temperature. Try heating it up to a higher temperature like 80-90C.
add 2 mol/L PbCl2 and 4 mol/L MACl in 500uL DMSO heat at 80oC with 1000 rpm stirring 10 minutes -colorless solution of 2M PbCl2
Use the relationship n = m/MM x 1000/vol where n is the number of mole you need, MM is the molar mass of the compound, vol is the volume you want to prepare and m is the mass of the compound use will measure and dissolve it in the desired vol. Substitute you available parameters to get m
A related question can be seen at:
https://www.researchgate.net/post/Which_organic_solvents_can_be_used_to_disolve_PbI2_or_PbCl3_crystals
Concerning to solubility of PbCl2 in DMSO; cf.:
G. W. Warren and H. Henein, “Solubility of PbCl2 in DMSO and DMSO—water solutions”, Hydrometallurgy, 46(1-2), 1997, 243-247.
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