A 100 mL water sample requires 7 ml of 0.1N HCI to titrate to the phenolphthalein endpoint (pH 8.3) and an additional 10 ml to titrate to the methyl orange endpoint (pH 4.5). The predominant form of alkalinity is of mg/L as CaCO3. The remaining form of alkalinity is alkalinity with a value of mg/L as CaCO3. Carbonate Bicarbonate Hydroxide alkalinity with a value

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A 100 mL water sample requires 7 ml of 0.1N HCI to titrate to the
phenolphthalein endpoint (pH 8.3) and an additional 10 ml to titrate to the
methyl orange endpoint (pH 4.5).
The predominant form of alkalinity is
of mg/L as CaCO3. The remaining form of alkalinity is
alkalinity with a value of
mg/L as CaCO3.
Carbonate Bicarbonate
500 700 350 150
Hydroxide
alkalinity with a value
Transcribed Image Text:A 100 mL water sample requires 7 ml of 0.1N HCI to titrate to the phenolphthalein endpoint (pH 8.3) and an additional 10 ml to titrate to the methyl orange endpoint (pH 4.5). The predominant form of alkalinity is of mg/L as CaCO3. The remaining form of alkalinity is alkalinity with a value of mg/L as CaCO3. Carbonate Bicarbonate 500 700 350 150 Hydroxide alkalinity with a value
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