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How many mL of a 0.505 mol/L chromic acid (H2CrO4) solution are needed to react with...

How many mL of a 0.505 mol/L chromic acid (H2CrO4) solution are needed to react with 0.0350 L of a sodium hydroxide solution that is 0.355 mol/L?  

H2CrO4 (aq)     +     2 NaOH    (aq) ----> 2 H2O (l)   + Na2CrO4 (aq)

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