Calculate how many mL of 0.100 M NaOH are needed to neutralize completely 27.0 mL of 0.0500 M HCl.
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How many milliliters of 0.100 M NaOH is needed to completely neutralize 25.0 mL of 0.250 M H3PO4?
How many milliliters of 0.400 M NaOH is required to completely neutralize 20.0 mL of 0.200 M HCl?
A) 50.0 mL
B) 40.0 mL
C) 0.100 mL
D) 20.0 mL
E) 10.0 mL