C.
a. 46.7
b. 30.4
c. 32.6
d. 16.
7. How many carbon atoms are contained in...
![Chemistry](/tpl/images/cats/himiya.png)
C.
a. 46.7
b. 30.4
c. 32.6
d. 16.
7. How many carbon atoms are contained in 5.50 g of ethane, C2H6?
a. 2.75 x 10-22 b. 3.29 X 1024
1.10 x 1023
d. 2.2
8.) How many moles are contained in 42.0 grams of copper (symbol Cu)?
a. 12.1
b. 0.826
c. 1.18
d. 0.6
9. If you have 3.011x102 atoms of carbon, what would you expect its mass to be?
la. 12.01g
b. 6.005g
c. 3.003g
d. 1.00
0. Which of the following subshells has the higher energy?
a. 45
c. 4d
1. The maximum number of electrons that can occupy a 3d subshell is
a. 2
b. 4
c. 6
d. 10
2. How many electrons are in the outer shell of element 15?
a. 5
b. 3
c. 15
d. 2
b. 4p
d. 4f
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:50, TheOriginal2x
Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
Answers: 3
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 02.10.2019 00:30
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2019 00:30
![Konu](/tpl/images/cats/istoriya.png)