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# pH

### cava chem 303 s2d30 3.04 Measuring Acids and Bases

In an aqueous solution, the product of the concentration of hydrogen ions and the concentration of hydroxide ions is always equal to 1.0 × 10^([...]) M. In an aqueous solution, the product of the concentration of hydrogen ions and the concentration of hydroxide ions is always equal to 1.0 × 10^(-14) M.
the concentrations of H+ ions and OH- ions are each is 1 × 10^([...]) M in a neutral solution. the concentrations of H+ ions and OH- ions are each is 1 × 10^(-7) M in a neutral solution.
If the concentration of H+ is then [...] than 1 × 10^(-7) M, the solution is acidic. If the concentration of H+ is then greater than 1 × 10^(-7) M, the solution is acidic.
If the concentration of H+ is then [...] than 1 × 10^(-7) M, the solution is basic. If the concentration of H+ is then less than 1 × 10^(-7) M, the solution is basic.
another word for 'basic' (as opposed to acidic) is '[...]'. another word for 'basic' (as opposed to acidic) is 'alkaline'.
The pH of a solution is based on a measurement of the concentration of [...] ions. The pH of a solution is based on a measurement of the concentration of hydrogen ions.
pH is the negative [... of the concentration of hydrogen ions, [H+]. pH is the negative log of the concentration of hydrogen ions, [H+].
Square brackets around something in chemistry mean 'the [...] of whatever is in the square brackets'. Square brackets around something in chemistry mean 'the concentration of whatever is in the square brackets'.
[H+] is the way we write the *[...]* of hydrogen ions H+. [H+] is the way we write the *concentration* of hydrogen ions H+.
pH = [mathematical formula] pH = –log[H+]
Neutral solutions have a pH of [...]. Neutral solutions have a pH of 7.
In "PEE-EYTCH", the letter P is [...]-case and the H is [...]-case. In "PEE-EYTCH", the letter P is lower-case and the H is upper-case.
Acidic solutions have a pH [...] than 7 Acidic solutions have a pH lower than 7
Basic solutions have a pH [...] than 7 Basic solutions have a pH higher than 7
Created by: mr.shapard