What is the main purpose of a universal indicator?
to determine the pH of an unknown solution
200
what is formula for nitric acid
HNO3
200
What is the name for HCl
hydrochloric acid
300
What is the formula for chloric acid?
HClO3
300
what is the formula for hydrophosphoric acid?
H3P
300
when a base is added to an acid, the pH goes ____ and H+ goes _____ and OH- goes ______
up, down, up
300
In a titration, what is the purpose of the phenolphthalein?
To determine the equivalence point (when to stop adding base)
300
What is the purpose of the buret
to slowly drop the base
400
In a titration, a student is trying to determine the concentration of an acid. What are the three variables that the student knows which can be used to solve for the concentration?
volume of acid, volume of base, conc. of base
400
predict the products for the neutralization reaction between Mg(OH)2 and HF
H2O and MgF2
400
What is the equivalence point?
The point where all of the acid has been neutralized by the base
400
what is the [H+] if the pOH is 13?
1*10^-1
400
CH3- + NH4+ --> CH4 + NH3 CH3- is a bronsted lowery what?