ECI Problems molesmoleculesatomsgrams (PDF)
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untitled
Name:
1.
The mass in grams of 1.00 mole of CaSO4 2H2 O
is
A.
2.
Date:
172 g
B.
154 g
C.
136 g
3.
D. 118 g
What is the total number of moles contained in
115 grams of C2 H5 OH?
A.
1.00
B.
1.50
C.
3.00
4.
D. 2.50
page 1
The total number of sodium atoms in 46.0 grams
of sodium is
A.
3:01
1023
B.
6:02
1023
C.
12:0
1023
D. 24:0
1023
Which sample of O2 contains a total of 3:01 1023
molecules at STP?
A.
1.00 moles
B.
2.00 moles
C.
16.0 grams
D. 32.0 grams
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untitled
1.
Answer:
A
2.
Answer:
D
3.
Answer:
C
4.
Answer:
C
01/15/2017
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