1.)What is the molarity of a solution that contains 55.0 grams of Na2SO4 in 250 milliliters of solution? (The mass of one mole of Na2SO4 is 142 grams.)
1.55 M
0.0968 M
10.3 M
0.645 M
2.)Which of the following describes the properties of an acid?
are generally proton donors
produce H+ ions in solution
are electron pair acceptors
may include all of these characteristics
3.)The greater the percent ionization of an acid, the __________.
stronger the acid
weaker the acid
more hydrogen atoms the acid molecule has in its formula
more [OH-] ions are in solution
4.)What do larger values on the pH scale represent?
higher concentration of H3O+ ions
lower concentration of H3O+ ions
lower concentration of OH- ions
more acidic the solution
