Two milliliters of 0.025molars potassium iodate solution was used to standardized the sodium thiosulfate used in dissolved oxygen (DO) determination. If 19.4mL of the sodium thiosulfate solution was used, what is the corrected established relationship? (pre-established relationship: 10mL sodium thiosulfate = 1 ppm DO)

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Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.107E
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Two milliliters of 0.025molars potassium iodate solution was used to
standardized the sodium thiosulfate used in dissolved oxygen (DO)
determination. If 19.4mL of the sodium thiosulfate solution was used,
what is the corrected established relationship? (pre-established
relationship: 10mL sodium thiosulfate = 1 ppm DO)
10mL Na2S203 solution = 1.856 mg/L DO
10mL Na2S203 solution = 1.232 mg/L DO
10mL Na2S203 solution = 0.104 mg/L DO
10mL Na2S203 solution = 0.224 mg/L DO
Transcribed Image Text:Two milliliters of 0.025molars potassium iodate solution was used to standardized the sodium thiosulfate used in dissolved oxygen (DO) determination. If 19.4mL of the sodium thiosulfate solution was used, what is the corrected established relationship? (pre-established relationship: 10mL sodium thiosulfate = 1 ppm DO) 10mL Na2S203 solution = 1.856 mg/L DO 10mL Na2S203 solution = 1.232 mg/L DO 10mL Na2S203 solution = 0.104 mg/L DO 10mL Na2S203 solution = 0.224 mg/L DO
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