Problem: How many milliliters of 0.100 M NaOH are needed to completely neutralize 25.0 mL of 0.250 M H3PO4 ?a. 62.5 mL       b. 125 mL       c. 31.3 mL       d. 188 mLe. 78.1 mL   

FREE Expert Solution

Step 1

25.0 mL ×10-3 L1 mL×0.250 mol H3PO41 L3 mol H+1 mol H3PO4 

= 0.01875 mol H+


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Problem Details

How many milliliters of 0.100 M NaOH are needed to completely neutralize 25.0 mL of 0.250 M H3PO4 ?

a. 62.5 mL       
b. 125 mL       
c. 31.3 mL       
d. 188 mL
e. 78.1 mL   

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