Compile and Run

• The C program pg64.c is compiled as

  gcc pg64.c -o pg64 ?
  

• The executable pg64 is run

  pg64 ?
  

• Assuming the file ph.in exists with

  7.2e-5 1.4e-6
  
  2.9e-11 6.9e-8 2.8e-10

• The output will be in a file ph.out with

Molar concentration = 7.200000e-05

pH = 4.142667

Acidic

Molar concentration = 1.400000e-06

pH = 5.853872

Acidic

Molar concentration = 2.900000e-11

pH = 10.537602

Nonacidic

Molar concentration = 6.900000e-08

pH = 7.161151

Nonacidic

Molar concentration = 2.800000e-10

pH = 9.552842

Nonacidic

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