Fehling I consists of 7 g of hydrated copper(II) sulfate dissolved in 100 mL of dist. water.
http://weblaboratorium.hu
Fehling II is made by dissolving 35 g of potassium sodium tartrate and 10 g of sodium hydroxide in 100 mL of dist. water.
Fehling's reagent: Equal volumes of Fehling I and Fehling II are mixed to form a deep blue solution.
i wish they would explain shit in these videos
Jurny4 10 months ago
nice... 'bunsen burner'
and i heard it takes about 3 minutes or less for the Cu2O to ppt.
YepYepYepNo 1 year ago
it takes w many seconds to produce the brick-red precipitate?
alexamicorazonlaluna 1 year ago