Why k2 so4 used as an.Electrolyte in salt bridge??
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Generally salts like KCl, KNO3, and K2SO4 etc. are used. For the preparation of salt bridge, gelatin or agar-agar is dissolved in a hot concentrated aqueous solution of an inert electrolyte and solution thus formed is filled in the U-tube
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because in this electrolyte the velocity of cataton and anayon remains same
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