To calculate pH, take the log of the hydrogen ion concentration and change the sign of the answer. How to Calculate pH – Formula and Examples This entry was posted on July 21, 2020 by Anne Helmenstine (updated on August 13, 2022)
Physical changes alter the form of matter but not its chemical identity. Physical Change Examples This entry was posted on July 21, 2020 by Anne Helmenstine (updated on May 2, 2021)
