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Example Problem: Weak Acid

Example Problem: Weak Acid. Formic acid (HCO 2 H) was isolated by the destructive distillation of ants. (Latin for ants= formi ). If a 0.100 M solution of formic acid is isolated, what is the pH? . I C E. 10 -7 M. 0 M. 2.00x10 -7 M. -x +x +x .

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Example Problem: Weak Acid

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  1. Example Problem: Weak Acid Formic acid (HCO2H) was isolated by the destructive distillation of ants. (Latin for ants=formi). If a 0.100 M solution of formic acid is isolated, what is the pH? I C E 10-7 M 0 M 2.00x10-7 M -x +x +x 4.00x10-7 M-x 10-7 M +x x Ka=1.8x10-4 =

  2. Example Problem: Weak Acid Formic acid (HCO2H) was isolated by the destructive distillation of ants. (Latin for ants=formi). If a 2.00x10-7 M solution of formic acid is isolated, what is the pH? 2.25x10-10 M4.99115x10-7 M 3.99115x10-7 M E Solve for pH Ka=1.8x10-4 x=3.99115x10-7 M

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