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Molarity of the solution with percent (%) concentration after diluted

ÀÛ¼ºÀÚ Uploader : atom ÀÛ¼ºÀÏ Upload Date: 2022-06-17º¯°æÀÏ Update Date: 2022-06-17Á¶È¸¼ö View : 195

¡à condition of the solution before dilute
- percent concentration : c (%)
- mass of the solution : ML (g)
- volume of the solution : V1 (ml)
- molar mass of the solute : MW (g/mol)
- specific weight of the solution : ¥ã

¡à Molarity M1 of the solution before diluted
- mass of the solute : Ma = c*ML/100
- mol of the solute : mol = Ma/MW = c*ML/(100*MW)
- volume of the solution by liter : V = ML/(1000*¥ã)
- M1 = mol/V = c*ML/(100*MW) / (ML/(1000*¥ã))
       = 10*c*¥ã/MW

¡à volume of the pure water added for dilution : V2 (ml)

¡à Molarity M2 of the solution after diluted
- M2 = V1*M1/(V1+V2) = V1*(10*c*¥ã/MW)/(V1+V2)
       = 10*c*¥ã*V1/(MW*(V1+V2))

*** Âü°í¹®Çå[References] ***

M2 = 10*c*¥ã*V1/(MW*(V1+V2))
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