Chemistry, 17.07.2019 23:40 uwauwa1234
An aliquot of 50.00 ml of carbonated water is added 4 ml of nh3 / nh4+ buffer, a pinch of eriochrome t black, and it's titled with a
0.01200 m solution in edta. the solution changes color after adding 13.73 ml of the titling agent. calculate the total hardness of the water,
expressed in ppm of caco3
Answers: 2
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An aliquot of 50.00 ml of carbonated water is added 4 ml of nh3 / nh4+ buffer, a pinch of eriochrome...
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