ap chem

I was absent for this info and im stuck.

A)calculate the pH in an acid-base titration when 10.00mL o 1.000 m NaOH is added to 50.00 mL of 1.000m HNO2. Ka=6.0x10^-4

B) How many grams of NaC2H3O2 must be added to 500mL o 0.200m HAc to produce a buffer with pH=5? 1.8 x 10^-5 =Ka Hac

Look in your text book you lazy bum

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