explain the use of two different indicators in alkalinity of water
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water alkalinity is mainly due to carbonate and bicarbonate salts in a water sample, the carbonate ion has two end points, one from carbonate to bicarbonate and the other from bicarbonate to carbon dioxide.
phenophalein end point pink to clear
methly orange end point yellow to red.
phenophalein end point pink to clear
methly orange end point yellow to red.
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