What is the molarity of a NaOH solution if 15.0 mL is exactly neutralized by 7.5 mL of a 0.020 M HC2H3O2 solution? Show your work below.
The image below shows an indicator added to solutions at various pH levels. Which indicator was added to each solution?
phenolphthalein
litmus
methyl orange
bromthymol blue
The image below shows an indicator added to solutions at various pH levels. Which indicator was added to each solution?
bromthymol blue
litmus
bromcresol green
thymol blue
Which solution will turn blue litmus red?
NaCl(aq)
HCl(aq)
K2CO3(aq)
NaOH(aq)
Which indicator is blue in a solution with a pH of 5.5?
bromcresol green
bromthymol blue
thymol blue
methyl orange
The table below shows the color of the indicators methyl orange and bromthymol blue in two samples of the same solution. What is a possible pH?
1.0
3.0
5.0
10.0
A student was given four unknown solutions. Each solution was checked for conductivity and tested with phenolphthalein. The results are shown in the data table. Based on the data table, which unknown solution could be 0.1 M NaOH?
A
B
C
D
A solution with a pH of 11.0 is first tested with phenolphthalein and then with litmus. What is the color of each indicator in the solution.
Phenolphthalein is colorless and litmus is blue
Phenolphthalein is pink and litmus is blue
Phenolphthalein is colorless and litmus is red
Phenolphthalein is pink and litmus is red
The table shown was compiled from experimental laboratory data. At what pH would all three indicators turn yellow?
1.9
2.9
4.7
8.7
Which indicator would best distinguish between a solution with a pH of 3.5 and a solution with a pH of 5.5?