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In this experiment, we aim to get the surface tension of different molar concentrations of NaCl and HOAc solutions by the capillary rise method. II. Methodology A. Solution
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Tension by the Capillary Rise Method Group Members: Claire Anne Bingit; Madeliz U. Peņaranda; Jocelle Mae M. Valera Mat.E. 102-HWX Instructor: Sir Mark Romano Abstact In this experiment, solution of NaCl and HOAc, both is 0.5M as well as 1.0 M concentrations were tested for their surface tension values using the capillary rise method. In this method, a calibration of the capillary tube was first done to get the value of r in the equation ?H2O = 0.5(hH2O + r/3) r ?H2O g. D.I water was used in the calibration and the computed value for r was found to be 1.63mm. Having solved r, the surface tension for the four test solutions were then solved. The experimental surface tension values of 0.5 and 1.0 M NaCl are 8.1600 and 8.0000, respectively; for the 0.5M and 1.0 M HOAc, the surface tension values are 6.6385 and 8.2471, respectively. All surface tension values in x10-4 N/cm. I. INTRODUCTION ...
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