Chemistry, 16.12.2019 05:31 kaiyah2021
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
Answers: 2
Chemistry, 22.06.2019 02:50
The conventional equilibrium constant expression (kc) for the system below is: 2icl(s) ⇄ i2(s) + cl2(g) [cl2] ([i2] + [cl2])/2[icl] [i2][cl2]/[icl]2 none of the listed answers are correct [i2][cl2]/2[icl]
Answers: 2
Chemistry, 22.06.2019 08:30
Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol
Answers: 2
Chemistry, 23.06.2019 00:00
How many atoms or molecules are there in a mole of a substance?
Answers: 1
1.)what is the molarity of a solution that contains 55.0 grams of na2so4 in 250 milliliters of solut...
Mathematics, 05.05.2020 17:30
Mathematics, 05.05.2020 17:30
Biology, 05.05.2020 17:30
Business, 05.05.2020 17:30