Define end point and equivalent point.
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An acid-base indicator (e.g., phenolphthalein) changes color depending on the pH. Redox indicators are also frequently used. A drop of indicator solution is added to thetitration at the start; when the color changes the endpoint has been reached, this is an approximation of the equivalence point. Conductance
Anequivalence point is when the moles of a standard solution (titrant) equal the moles of a solution of unknown concentration (analyte).
Anequivalence point is when the moles of a standard solution (titrant) equal the moles of a solution of unknown concentration (analyte).
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In visual perception, the far point is the farthest point at which an object can be placed for its image to be focused on the retina within the eye's accommodation. It is sometimes described as the farthest point from the eye at which images are clear. The other limit of eye's accommodation is the near point.
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