When does phenolphthalein turn pink?
At a
One of the best indicators to visualize is phenolphthalein. In an acidic solution with a pH of 0–8, the solution is colorless; at a pH of 8.2, the color changes to pink or fuchsia.
By signing up, you agree to our Terms of Service and Privacy Policy
Phenolphthalein turns pink when the solution it is in becomes basic, typically at a pH of around 8.2 to 10.0.
By signing up, you agree to our Terms of Service and Privacy Policy
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- Rank the following in order of acidity of the most acidic hydrogens?
- What is the pH after mixing the following?
- How do you prove that the equilibrium concentrations of #"H"^(+)# and #"OH"^(-)# are #1.00 xx 10^(-7) "M"# at neutral pH using molar conductivity data at #25^@ "C"#?
- How would you use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 0.17 M in HCHO_2 and 0.10 M in NaCHO2?
- Is CO a lewis acid?

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7