Carefully add HNO into the flask until the phenolphthalein begins to lose its color. Stop
adding HNO3 when the color change is permanent.
A. How much (HNO3) was required to cause the indicator to change color?
B. What can you say about the pH before and after the last drop of HNO3 was added?

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

What is the full form of icc in chemistry?