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Terms
Equations
Calculating [H+] and pH
Calculating [OH-] and pOH
Using your calculator
100
This term is represented by brackets or []
What is concentration?
100
This is the equation to calculate pH from the hydrogen ion concentration.
What is -log[H+]?
100
This is the pH if the [H+] is 1x10-5.
What is 5?
100
This is the pOH if the [OH-] is 1x10-2.
What is 2?
100
your calculator reads this as 1x10-13.
What is 1E-13?
200
This substance is a hydrogen ion donor.
What is an acid?
200
This is the equation to calculate pOH if you have the pH.
What is pH + pOH = 14?
200
This is the [H+] when the pH is 13
What is 1x10-13?
200
This is the [OH-] when the pH is 9
What is 1x10-9?
200
You need to know where this button is on your calculator in order to calculate pH from [H+].
What is the log button?
300
This is always the product of the hydrogen ion concentration and the hydroxide ion concentration.
What is kw or 1x10-14?
300
This is the equation to calculate [OH-] if you have the [H+].
What is [H+][OH-] = 1x10-14?
300
This is the pH if the pOH is 5.
What is 9?
300
This is the pOH if the pH is 7.
What is 7?
300
To enter this number in your calculator you type 5.2E-4.
What is 5.2x10-4?
400
This substance is a hydrogen ion acceptor
What is a base.
400
This is the equation to calculate [OH-] if you have the pOH
What is [OH-] = 10-pOH?
400
This is the [H+] is if the [OH-] is 1x10-6.
What is 1x10-8?
400
This is the [OH-] is if the [H+] is 1x10-13.
What is 1x10-1 or 0.1?
400
This is the sequence of buttons you press to calculate [H+] from pH.
What is 2nd log then negative pH?
500
Arrhenius bases do this.
What is produce OH- ions.
500
This is the maximum number of equations you need to use in order to solve for any of the following 4 measurement: pH, pOH, [H+], [OH-]
What is 2?
500
This is the pH if the [OH-] is 1x10-11.
What is 3?
500
This is the pOH if the [H+] is 1x10-4.
What is 10?
500
This is what is missing from typing 1E-14/1E-10 in your calculator when trying to calculate the ion concentration.
What are parentheses?