Chemistry Extra credit
What is the salt produced when H2SO4 neutralizes with LiOH?
Li2SO4
Alkalis form ions when they dissolve in water. What ion makes the solution alkaline?
OH-
When an acid reacts with another chemical, water is sometimes one of the products. However, there is one product that is always made. What is the name of this product?
Salt
What substance completely dissociates in water?
Strong acids
What're the properties of bases?
Taste bitter, feel slippery, don't react with carbonates, turn red litmus paper blue
What're the properties of acids?
Taste sour, React with metals;carbonates, and turn blue litmus paper red
When carbon dioxide gas is tested with a lit splint, what happens?
The splint goes out
Can an amphoteric substance can act as both an acid and base? T/F
True
Vinegar, fruit juice, and cola are all examples of
Weak acids
Arrhenius Acid
a substance that increases the concentration of hydronium ions in aqueous solution
Arrhenius base
a substance that increases the concentration of hydroxide ions in aqueous solution
Bronsted-Lowry acid/base
proton donor/acceptor
What is the pH of a solution of potassium hydroxide (KOH) with a hydroxide concentration of 2.88x10^-3 M?
11.5
What is the concentration of an aqueous solution containing 2.3 moles of NaCl in 0.95 liters of solution?
2.4M
What is the final concentration if I dilute 200 mL of 9.0 M Kool-Aid to a final volume of 750 mL?
2.4M
What is the pH of a solution with a [H+] = 0.0032M?
2.5
Neutral solutions have a pH of
7
What is the pH of pure water?
7 (neutral)
Soaps and cleaning products are often alkaline. What would you expect the pH of soap to be?
9
If an acid is combined with a base of equal strength, the result will most likely be
A neutral solution