CHM 101 Final Exam | Questions and Answers - Score 144.69/150.15

Final Exam Chem 101
 Due Dec 19 at 11:59pm




 Points 150.15




 Questions 55




 Available Dec 13 at 12am - Dec 19 at 11:59pm 7 days




 Time Limit 120 Minutes


Attempt History
Attempt Time

LATEST Attempt 1 29 minutes
Score for this quiz: 144.69 out of 150.15
Submitted Dec 13 at 3:54pm
This attempt took 29 minutes.

Question 1
2..73 pts
A lead ball has a mass of 55.0 grams and a density of 11.4 g/cm3. What is the
volume of the ball?

,4.82 L

Correct!

4.82 mL



none of the above



0.207 L



0.207 mL



Question 2
2..73 pts
All of the following compounds are soluble in water EXCEPT
Correct!

PbCl . 2




CaCl . 2




NH Cl.
4




FeCl . 3




NaCl.



Question 3
.73 pts

,How many atoms are in 5.80 moles of He?
You Answered

6.02 × 10 23




4.00



none of the above



1.03 × 10 23




Correct Answer

3.49 × 10 24




Question 4
2..73 pts
How many grams are in 1.48 × 107 ug?


1.48



1.48 × 10 13




Correct!

14.8



none of the above



1.48 × 10 3

, Question 5
2..73 pts
How many moles are there in 17.5 grams of sodium?


22.99



1.31



1.05 × 10 25




Correct!

0.761



none of the above



Question 6
2..73 pts
How many oxygen atoms are in the formula Al2(CO3)3?


1



3



none of the above

Correct!

9