How many ml of 0.200m NaOH is needed to neutralize 25.00ml of 0.300M phosphoric acid (H3PO4)
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moles of phosphoric acid=concentration * volume = 0.3*25=7.5mmoles
moles of NaOH=0.2mmoles
volume of NaOH = moles/concentration=7.5/0.2=37.50 mL
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