Chapter 6th practice
1 ) The method for acetic acid, CH3CO2H, can be an example of a(n) a. |condensed formula.
w. |mathematical formula.
c. |structural formula.
deb. |molecular solution.
OBJ: Target #3. 1: Interpret, predict, and publish formulas pertaining to ionic and molecular ingredients
3. Which in turn of the subsequent statements will be correct?
1 ) |Metals generally lose bad particals to become cations.
2 . |Nonmetals generally gain electrons to become anions.
3. |Group 2A metals type ions with a 2+ charge.
a. |1 only
w. |2 just
c. |3 only
d. |1, 2, and a few
OBJ: Objective #3. 1: Interpret, predict, and write formulas pertaining to ionic and molecular compounds
5. What charge is most commonly seen for an oxide ion?
OBJ: Goal #3. 1: Interpret, foresee, and compose formulas intended for ionic and molecular substances
7. What is the solution for magnesium (mg) oxide?
OBJ: Goal #3. 1: Interpret, predict, and write formulations for ionic and molecular compounds
almost eight. What is the formula intended for aluminum chloride?
OBJ: Goal #3. 1: Interpret, anticipate, and compose formulas intended for ionic and molecular chemical substances
10. Precisely what is the method for lead(IV) sulfate?
ANS: DOBJ: Aim #3. 2: Name ingredients
11. Precisely what is the term of Mg(OH)2?
a. |magnesium oxide
b. |magnesium dihydroxide
c. |magnesium hydroxide
g. |magnesium(II) hydroxide
ANS: COBJ: Goal #3. 2: Brand compounds
doze. What is the name of KHCO3?
a. |hydrogen carbonate potassium ion
b. |potassium hydrogen co2 trioxide
c. |potassium bicarbonate
d. |potassium hydrocarbonate
ANS: COBJ: Objective #3. two: Name substances
14. What is the name of Cu2S?
a. |copper sulfide
n. |copper(I) sulfide
c. |copper(II) sulfide
m. |dicopper sulfide
ANS: BOBJ: Goal #3. 2: Term compounds
17. What is the most popular name intended for NH3?
m. |nitrogen trihydride
c. |trihydrogen nitride
ANS: AOBJ: Target #3. a couple of: Name compounds
ANS: BOBJ: Goal #3. 3: Understand the properties of ionic compounds
19. Determine the skin moles present in twelve. 5 g CaCO3.
a. |0. 105 mol
m. |0. 410 mol
c. |9. 53 mol
deb. |1. 05 Вґ 103 mol
ANS: AOBJ: Goal #3. four: Calculate and use large molar mass
20. Determine the mass of 0. three hundred and fifty mol Na3PO4.
a. |2. 14 Вґ 10-3 g
b. |0. 0174 g
c. |57. 4 g
d. |163. 9 g
ANS: COBJ: Goal #3. 4: Calculate and use molar mass
21. Just how many oxygen atoms are in zero. 20 g CO2?
a. |2. four Вґ 1023 oxygen atoms
b. |2. 7 Вґ 1021 o2 atoms
c. |5. 5 Вґ 1021 oxygen atoms
d. |1. 2 Вґ 1023 o2 atoms
ANS: COBJ: Aim #3. 5: Calculate and use molar mass
twenty-two. What is the mass percent of o2 in lactic acid, CH3CO2H? a. |26. 64%
b. |46. 71%
c. |53. 29%
d. |73. 36%
OBJ: Goal #3. 5: Compute the percent composition for the compound and derive remedies from fresh data
3. Toluene is composed of 91. 25% C and 8. 74% H. Determine the scientific formula for toluene. a. |CH
OBJ: Goal #3. 5: Determine the percent composition for the compound and derive remedies from fresh data
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