91. 10ml sample of diluted phosphoric acid consumed 35ml of 1.002N NaOH to produce a thymophthalein endpoint. If the indicator blank is 0.7ml, what is the %w/v of H3PO4 (98g/mole) 9

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91. 10ml sample of diluted phosphoric acid consumed 35ml of 1.002N NaOH to produce a thymophthalein
endpoint. If the indicator blank is 0.7ml, what is the %w/v of H3PO4 (98g/mole)
9
Transcribed Image Text:91. 10ml sample of diluted phosphoric acid consumed 35ml of 1.002N NaOH to produce a thymophthalein endpoint. If the indicator blank is 0.7ml, what is the %w/v of H3PO4 (98g/mole) 9
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