4. One mole of CO, (9) molecules contains 6.02 x 10ª CO2 9) molecules. a. true b. false 5. Which of the following samples contains the same number of atoms as 40.00 g of Ne (9)? a. 4.00 g of He e b. 24.00 g of Mg ) c. 40.00 g of C o) d. 80.00 g of Ar (9) When 75 mL of 0.15-mol/L HCI, mL, the concentration of HCI a is reduced to 6. is diluted with distilled water to a final volume of 150 a. 0.12 mol/L b. 0.10 mol/L c. 0.050 mol/L d. 0.075 mol/L 7. What mass of copper is consumed when 15.0 g of nitric oxide, NO g, is produced according to the following balanced equation? 3 Cu p) + 8 HNO, (ag) → 3 Cu(NO,)2 (0 + 4 H,0, + 2 NO а. 15.0 g b. 22.5 g c. 47.6 g d. 192 g 8. For a neutral solution, which of the following statements is true? The concentration of hydrogen ions, [H'], equals 1 x 10* mol/L. b. The pH of a neutral solution is 7.0. c. The concentration of hydrogen ions, [H*], equals the concentration of hydroxide ions, [OH]. d. all of the above a. 9. A titration is a lab procedure that involves the dilution of an acidic or basic solution. a. true b. false 10. Every galvanic cell has two electrodes and at least one electrolyte. a. true b. false 11. The electrolyte in an alkaline dry cell is acidic. a. true b. false
4. One mole of CO, (9) molecules contains 6.02 x 10ª CO2 9) molecules. a. true b. false 5. Which of the following samples contains the same number of atoms as 40.00 g of Ne (9)? a. 4.00 g of He e b. 24.00 g of Mg ) c. 40.00 g of C o) d. 80.00 g of Ar (9) When 75 mL of 0.15-mol/L HCI, mL, the concentration of HCI a is reduced to 6. is diluted with distilled water to a final volume of 150 a. 0.12 mol/L b. 0.10 mol/L c. 0.050 mol/L d. 0.075 mol/L 7. What mass of copper is consumed when 15.0 g of nitric oxide, NO g, is produced according to the following balanced equation? 3 Cu p) + 8 HNO, (ag) → 3 Cu(NO,)2 (0 + 4 H,0, + 2 NO а. 15.0 g b. 22.5 g c. 47.6 g d. 192 g 8. For a neutral solution, which of the following statements is true? The concentration of hydrogen ions, [H'], equals 1 x 10* mol/L. b. The pH of a neutral solution is 7.0. c. The concentration of hydrogen ions, [H*], equals the concentration of hydroxide ions, [OH]. d. all of the above a. 9. A titration is a lab procedure that involves the dilution of an acidic or basic solution. a. true b. false 10. Every galvanic cell has two electrodes and at least one electrolyte. a. true b. false 11. The electrolyte in an alkaline dry cell is acidic. a. true b. false
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Chapter8: Chemical Composition
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Question
![4.
One mole of CO, (9) molecules contains 6.02 x 10ª CO2 9) molecules.
a. true
b. false
5.
Which of the following samples contains the same number of atoms as 40.00 g of Ne
a. 4.00 g of He
b. 24.00 g of Mg.
c. 40.00 g of C ()
d. 80.00 g of Ar a
6.
When 75 mL of 0.15-mol/L HCI
is diluted with distilled water to a final volume of 150
mL, the concentration of HCI is reduced to
a. 0.12 mol/L
b. 0.10 mol/L
c. 0.050 mol/L
d. 0.075 mol/L
What mass of copper is consumed when 15.0 g of nitric oxide, NO g, is produced
according to the following balanced equation?
7.
3 Cu p + 8 HNO, (a9) → 3 Cu(NO,).(ag) + 4 H,O, + 2 NO )
a. 15.0 g
b. 22.5 g
c. 47.6 g
d. 192 g
8.
For a neutral solution, which of the following statements is true?
a. The concentration of hydrogen ions, [H'], equals 1 x 10* mol/L.
b. The pH of a neutral solution is 7.0.
c. The concentration of hydrogen ions, [H°], equals the concentration of hydroxide
ions, (OH].
d. all of the above
9.
A titration is a lab procedure that involves the dilution of an acidic or basic solution.
a. true
b. false
10.
Every galvanic cell has two electrodes and at least one electrolyte.
a. true
b. false
11. The electrolyte in an alkaline dry cell is acidic.
a. true
b. false
12. The cell reaction for the zinc-silver cell in the diagram below is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3cadf5b2-9c2d-42ea-a268-5f6be265a08f%2Fe94e1c57-d22e-4e37-a414-5bbf8a3f8cda%2Fbwfocud_processed.png&w=3840&q=75)
Transcribed Image Text:4.
One mole of CO, (9) molecules contains 6.02 x 10ª CO2 9) molecules.
a. true
b. false
5.
Which of the following samples contains the same number of atoms as 40.00 g of Ne
a. 4.00 g of He
b. 24.00 g of Mg.
c. 40.00 g of C ()
d. 80.00 g of Ar a
6.
When 75 mL of 0.15-mol/L HCI
is diluted with distilled water to a final volume of 150
mL, the concentration of HCI is reduced to
a. 0.12 mol/L
b. 0.10 mol/L
c. 0.050 mol/L
d. 0.075 mol/L
What mass of copper is consumed when 15.0 g of nitric oxide, NO g, is produced
according to the following balanced equation?
7.
3 Cu p + 8 HNO, (a9) → 3 Cu(NO,).(ag) + 4 H,O, + 2 NO )
a. 15.0 g
b. 22.5 g
c. 47.6 g
d. 192 g
8.
For a neutral solution, which of the following statements is true?
a. The concentration of hydrogen ions, [H'], equals 1 x 10* mol/L.
b. The pH of a neutral solution is 7.0.
c. The concentration of hydrogen ions, [H°], equals the concentration of hydroxide
ions, (OH].
d. all of the above
9.
A titration is a lab procedure that involves the dilution of an acidic or basic solution.
a. true
b. false
10.
Every galvanic cell has two electrodes and at least one electrolyte.
a. true
b. false
11. The electrolyte in an alkaline dry cell is acidic.
a. true
b. false
12. The cell reaction for the zinc-silver cell in the diagram below is
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