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Chemistry LibreTexts

pH (Worksheet)

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Work in groups on these problems. You should try to answer the questions without referring to your textbook. If you get stuck, try asking another group for help.

Q1

Calculate the pH for each \([H^+]\) given below:

  • \([H^+] = 0.00025\)
  • \([H^+] = 1.0 \times 10^{-7}\)
  • \([H^+] = 2.3 \times 10^{-3}\)
  • \([H^+] = 7.6 \times 10^{-12}\)

Q2

Determine the \([H^+]\) from the pH:

  • pH = 7.4
  • pH = 2.8
  • pH = 12.7
  • pH = 4.5