Ideally, how should a buffer be prepared?

A. in such a way that pH = POH

B. in such a way that pH = pka

c. in such a way that pH = Kg

D. in such a way that pH = 1

Is sodium laureth sulfate ionic or covalent?

1) __NaBrag) + __AgOH (aq) → __AgBris) + __NaOH 24) Type of reaction:

Calculate the energy in joules and calories required to heat 25.0 g of water from 12.5C to 25.7C

A reaction vessel contains nh3, n2, and h2 at equilibrium at a certain temperature. the equilibrium concentrations are [n2] = 0.31 m, [h2] = 1.51 m, and [nh3] = 0.75 m. calculate the equilibrium constant, kc, if the reaction is represented as

Which is the strongest acid

A substance that speeds up the rate of a chemical reaction is called a. a catalyst. b. a lipid. c. a molecule. d. an element.

How many moles of Mgs203 are in 245g of the compound

A student was trying to obtain lithium by electrolysis of aqueous lithium chloride. Was he successful?

A Gouy balance is used to determine the magnetic susceptibility of a substance. A strong electromagnet is placed next to the sample, which is on a balance.

Is the bonds that cause gaseous Cl2 to become liquid when cooled intramolecular or intermolecular